40044044400220 has 24 divisors (see below), whose sum is σ = 96105706560864. Its totient is φ = 13729386651456.

The previous prime is 40044044400187. The next prime is 40044044400233. The reversal of 40044044400220 is 2200444044004.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143014444147 + ... + 143014444426.

It is an arithmetic number, because the mean of its divisors is an integer number (4004404440036).

Almost surely, 2^{40044044400220} is an apocalyptic number.

It is an amenable number.

40044044400220 is an abundant number, since it is smaller than the sum of its proper divisors (56061662160644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40044044400220 is a wasteful number, since it uses less digits than its factorization.

40044044400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286028888589 (or 286028888587 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40044044400220 its reverse (2200444044004), we get a palindrome (42244488444224).

The spelling of 40044044400220 in words is "forty trillion, forty-four billion, forty-four million, four hundred thousand, two hundred twenty".