402449553404616 has 64 divisors (see below), whose sum is σ = 1065845949537600. Its totient is φ = 126194883934208.

The previous prime is 402449553404581. The next prime is 402449553404627. The reversal of 402449553404616 is 616404355944204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248408325 + ... + 250023188.

It is an arithmetic number, because the mean of its divisors is an integer number (16653842961525).

Almost surely, 2^{402449553404616} is an apocalyptic number.

It is an amenable number.

402449553404616 is an abundant number, since it is smaller than the sum of its proper divisors (663396396132984).

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

402449553404616 is a wasteful number, since it uses less digits than its factorization.

402449553404616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498433518 (or 498433514 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 57.

The spelling of 402449553404616 in words is "four hundred two trillion, four hundred forty-nine billion, five hundred fifty-three million, four hundred four thousand, six hundred sixteen".