404090054136 has 48 divisors (see below), whose sum is σ = 1097975478600. Its totient is φ = 134257925952.

The previous prime is 404090054099. The next prime is 404090054161. The reversal of 404090054136 is 631450090404.

404090054136 is a `hidden beast` number, since 40 + 40 + 9 + 0 + 0 + 541 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 404090054136.

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, 9118551 + ... + 9162758.

Almost surely, 2^404090054136 is an apocalyptic number.

It is an amenable number.

404090054136 is an abundant number, since it is smaller than the sum of its proper divisors (693885424464).

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

404090054136 is a wasteful number, since it uses less digits than its factorization.

404090054136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18281628 (or 18281621 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 404090054136 in words is "four hundred four billion, ninety million, fifty-four thousand, one hundred thirty-six".