264293477972 has 24 divisors (see below), whose sum is σ = 463668004800. Its totient is φ = 131817251520.

The previous prime is 264293477947. The next prime is 264293477999. The reversal of 264293477972 is 279774392462.

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, 3079904 + ... + 3164552.

It is an arithmetic number, because the mean of its divisors is an integer number (19319500200).

Almost surely, 2^264293477972 is an apocalyptic number.

It is an amenable number.

264293477972 is a deficient number, since it is larger than the sum of its proper divisors (199374526828).

264293477972 is a wasteful number, since it uses less digits than its factorization.

264293477972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86591 (or 86589 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 62.

The spelling of 264293477972 in words is "two hundred sixty-four billion, two hundred ninety-three million, four hundred seventy-seven thousand, nine hundred seventy-two".