Malcolm has 240 followers + 500 followers = <<240+500=740>>740 followers on Instagram and Facebook.
He has 740 followers / 2 = <<740/2=370>>370 followers on Twitter.
He has 370 followers x 3 = <<370*3=1110>>1110 followers on Tiktok.
He has 1110 followers + 510 followers = <<1110+510=1620>>1620 followers on Youtube.
Altogether, Malcolm has 740 followers + 370 followers + 1110 followers + 1620 followers = <<740+370+1110+1620=3840>>3840 followers on social media.
#### 3840