264694637272 has 32 divisors (see below), whose sum is σ = 540484963200. Its totient is φ = 120794091264.

The previous prime is 264694637261. The next prime is 264694637287. The reversal of 264694637272 is 272736496462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14289288 + ... + 14307799.

It is an arithmetic number, because the mean of its divisors is an integer number (16890155100).

Almost surely, 2^264694637272 is an apocalyptic number.

It is an amenable number.

264694637272 is an abundant number, since it is smaller than the sum of its proper divisors (275790325928).

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

264694637272 is a wasteful number, since it uses less digits than its factorization.

264694637272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28597195 (or 28597191 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 58.

The spelling of 264694637272 in words is "two hundred sixty-four billion, six hundred ninety-four million, six hundred thirty-seven thousand, two hundred seventy-two".