17904468608 has 32 divisors (see below), whose sum is σ = 38412835860. Its totient is φ = 8263600128.

The previous prime is 17904468599. The next prime is 17904468643. The reversal of 17904468608 is 80686440971.

It can be written as a sum of positive squares in 2 ways, for example, as 14513502784 + 3390965824 = 120472^2 + 58232^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×17904468608² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17904468608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5378285 + ... + 5381612.

Almost surely, 2^17904468608 is an apocalyptic number.

It is an amenable number.

17904468608 is an abundant number, since it is smaller than the sum of its proper divisors (20508367252).

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

17904468608 is a wasteful number, since it uses less digits than its factorization.

17904468608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759924 (or 10759912 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 17904468608 in words is "seventeen billion, nine hundred four million, four hundred sixty-eight thousand, six hundred eight".