40424064044 has 24 divisors (see below), whose sum is σ = 87067215648. Its totient is φ = 15991937280.

The previous prime is 40424064041. The next prime is 40424064071. The reversal of 40424064044 is 44046042404.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40424064044.

It is not an unprimeable number, because it can be changed into a prime (40424064041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55527197 + ... + 55527924.

It is an arithmetic number, because the mean of its divisors is an integer number (3627800652).

Almost surely, 2^40424064044 is an apocalyptic number.

It is an amenable number.

40424064044 is an abundant number, since it is smaller than the sum of its proper divisors (46643151604).

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

40424064044 is a wasteful number, since it uses less digits than its factorization.

40424064044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111055145 (or 111055143 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

The spelling of 40424064044 in words is "forty billion, four hundred twenty-four million, sixty-four thousand, forty-four".