326475399968 has 24 divisors (see below), whose sum is σ = 642762823500. Its totient is φ = 163234048000.

The previous prime is 326475399941. The next prime is 326475399973. The reversal of 326475399968 is 869993574623.

It can be written as a sum of positive squares in 2 ways, for example, as 282755935504 + 43719464464 = 531748^2 + 209092^2 .

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, 1868408 + ... + 2035656.

Almost surely, 2^326475399968 is an apocalyptic number.

It is an amenable number.

326475399968 is a deficient number, since it is larger than the sum of its proper divisors (316287423532).

326475399968 is a wasteful number, since it uses less digits than its factorization.

326475399968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228260 (or 228252 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 71.

The spelling of 326475399968 in words is "three hundred twenty-six billion, four hundred seventy-five million, three hundred ninety-nine thousand, nine hundred sixty-eight".