408564190116 has 18 divisors (see below), whose sum is σ = 1032759480662. Its totient is φ = 136188063360.

The previous prime is 408564190087. The next prime is 408564190141. The reversal of 408564190116 is 611091465804.

408564190116 is a `hidden beast` number, since 40 + 85 + 6 + 419 + 0 + 116 = 666.

It can be written as a sum of positive squares in only one way, i.e., 275725809216 + 132838380900 = 525096^2 + 364470^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5674502605 + ... + 5674502676.

Almost surely, 2^408564190116 is an apocalyptic number.

It is an amenable number.

408564190116 is an abundant number, since it is smaller than the sum of its proper divisors (624195290546).

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

408564190116 is a wasteful number, since it uses less digits than its factorization.

408564190116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349005291 (or 11349005286 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 408564190116 in words is "four hundred eight billion, five hundred sixty-four million, one hundred ninety thousand, one hundred sixteen".