40044044424020 has 96 divisors (see below), whose sum is σ = 107998386144768. Its totient is φ = 12122267807232.

The previous prime is 40044044424017. The next prime is 40044044424103. The reversal of 40044044424020 is 2042444044004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478267319 + ... + 478351038.

It is an arithmetic number, because the mean of its divisors is an integer number (1124983189008).

Almost surely, 2^{40044044424020} is an apocalyptic number.

It is an amenable number.

40044044424020 is an abundant number, since it is smaller than the sum of its proper divisors (67954341720748).

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

40044044424020 is a wasteful number, since it uses less digits than its factorization.

40044044424020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956618409 (or 956618407 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40044044424020 its reverse (2042444044004), we get a palindrome (42086488468024).

The spelling of 40044044424020 in words is "forty trillion, forty-four billion, forty-four million, four hundred twenty-four thousand, twenty".