40044804044 has 24 divisors (see below), whose sum is σ = 80094745248. Its totient is φ = 17160958080.

The previous prime is 40044803993. The next prime is 40044804047. The reversal of 40044804044 is 44040844004.

It is a self number, because there is not a number n which added to its sum of digits gives 40044804044.

It is not an unprimeable number, because it can be changed into a prime (40044804047) 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, 521654 + ... + 593474.

It is an arithmetic number, because the mean of its divisors is an integer number (3337281052).

Almost surely, 2^40044804044 is an apocalyptic number.

It is an amenable number.

40044804044 is an abundant number, since it is smaller than the sum of its proper divisors (40049941204).

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

40044804044 is a wasteful number, since it uses less digits than its factorization.

40044804044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91745 (or 91743 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The spelling of 40044804044 in words is "forty billion, forty-four million, eight hundred four thousand, forty-four".