404513942616 has 72 divisors (see below), whose sum is σ = 1274425315020. Its totient is φ = 115575411168.

The previous prime is 404513942579. The next prime is 404513942639. The reversal of 404513942616 is 616249315404.

404513942616 is a `hidden beast` number, since 40 + 4 + 513 + 94 + 2 + 6 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57325546 + ... + 57332601.

Almost surely, 2^404513942616 is an apocalyptic number.

It is an amenable number.

404513942616 is an abundant number, since it is smaller than the sum of its proper divisors (869911372404).

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

404513942616 is a wasteful number, since it uses less digits than its factorization.

404513942616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114658173 (or 114658159 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 404513942616 in words is "four hundred four billion, five hundred thirteen million, nine hundred forty-two thousand, six hundred sixteen".