17945946032 has 40 divisors (see below), whose sum is σ = 39744113952. Its totient is φ = 7689830400.

The previous prime is 17945946023. The next prime is 17945946049. The reversal of 17945946032 is 23064954971.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992432 + ... + 1010352.

Almost surely, 2^17945946032 is an apocalyptic number.

It is an amenable number.

17945946032 is an abundant number, since it is smaller than the sum of its proper divisors (21798167920).

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

17945946032 is a wasteful number, since it uses less digits than its factorization.

17945946032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26877 (or 26871 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 17945946032 in words is "seventeen billion, nine hundred forty-five million, nine hundred forty-six thousand, thirty-two".