409654888956 has 36 divisors (see below), whose sum is σ = 1035976754904. Its totient is φ = 136490940000.

The previous prime is 409654888933. The next prime is 409654889003. The reversal of 409654888956 is 659888456904.

409654888956 is a `hidden beast` number, since 4 + 0 + 9 + 65 + 488 + 89 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2446575 + ... + 2608646.

Almost surely, 2^409654888956 is an apocalyptic number.

It is an amenable number.

409654888956 is an abundant number, since it is smaller than the sum of its proper divisors (626321865948).

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

409654888956 is a wasteful number, since it uses less digits than its factorization.

409654888956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057482 (or 5057477 counting only the distinct ones).

The product of its (nonzero) digits is 597196800, while the sum is 72.

The spelling of 409654888956 in words is "four hundred nine billion, six hundred fifty-four million, eight hundred eighty-eight thousand, nine hundred fifty-six".