40555655504 has 40 divisors (see below), whose sum is σ = 96709643520. Its totient is φ = 16043995008.

The previous prime is 40555655501. The next prime is 40555655513.

40555655504 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×40555655504² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555655501) 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, 13925624 + ... + 13928535.

It is an arithmetic number, because the mean of its divisors is an integer number (2417741088).

Almost surely, 2^40555655504 is an apocalyptic number.

It is an amenable number.

40555655504 is an abundant number, since it is smaller than the sum of its proper divisors (56153988016).

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

40555655504 is a wasteful number, since it uses less digits than its factorization.

40555655504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27854187 (or 27854181 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 44.

The spelling of 40555655504 in words is "forty billion, five hundred fifty-five million, six hundred fifty-five thousand, five hundred four".