263056478922 has 48 divisors (see below), whose sum is σ = 626038320960. Its totient is φ = 79458705216.

The previous prime is 263056478897. The next prime is 263056478933. The reversal of 263056478922 is 229874650362.

263056478922 is a `hidden beast` number, since 2 + 6 + 3 + 0 + 564 + 78 + 9 + 2 + 2 = 666.

It is a super-2 number, since 2×263056478922² (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 23 ways as a sum of consecutive naturals, for example, 16713243 + ... + 16728974.

It is an arithmetic number, because the mean of its divisors is an integer number (13042465020).

Almost surely, 2^263056478922 is an apocalyptic number.

263056478922 is an abundant number, since it is smaller than the sum of its proper divisors (362981842038).

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

263056478922 is a wasteful number, since it uses less digits than its factorization.

263056478922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33442267 (or 33442264 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 263056478922 in words is "two hundred sixty-three billion, fifty-six million, four hundred seventy-eight thousand, nine hundred twenty-two".