13557804408 has 32 divisors (see below), whose sum is σ = 37660568400. Its totient is φ = 4519268064.

The previous prime is 13557804401. The next prime is 13557804433. The reversal of 13557804408 is 80440875531.

13557804408 is a `hidden beast` number, since 1 + 35 + 578 + 0 + 4 + 40 + 8 = 666.

13557804408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13557804401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31383591 + ... + 31384022.

Almost surely, 2^13557804408 is an apocalyptic number.

13557804408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13557804408 is an abundant number, since it is smaller than the sum of its proper divisors (24102763992).

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

13557804408 is a wasteful number, since it uses less digits than its factorization.

13557804408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62767628 (or 62767618 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 13557804408 in words is "thirteen billion, five hundred fifty-seven million, eight hundred four thousand, four hundred eight".