263901276264 has 64 divisors (see below), whose sum is σ = 704258496000. Its totient is φ = 82163471040.

The previous prime is 263901276253. The next prime is 263901276277. The reversal of 263901276264 is 462672109362.

263901276264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×263901276264² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4043194 + ... + 4107945.

It is an arithmetic number, because the mean of its divisors is an integer number (11004039000).

Almost surely, 2^263901276264 is an apocalyptic number.

263901276264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

263901276264 is an abundant number, since it is smaller than the sum of its proper divisors (440357219736).

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

263901276264 is a wasteful number, since it uses less digits than its factorization.

263901276264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151238 (or 8151234 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 263901276264 in words is "two hundred sixty-three billion, nine hundred one million, two hundred seventy-six thousand, two hundred sixty-four".