264253571136 has 63 divisors (see below), whose sum is σ = 757470513631. Its totient is φ = 88080411264.

The previous prime is 264253571107. The next prime is 264253571147. The reversal of 264253571136 is 631175352462.

The square root of 264253571136 is 514056.

It is a perfect power (a square), and thus also a powerful number.

264253571136 is a `hidden beast` number, since 2 + 6 + 42 + 5 + 3 + 571 + 1 + 36 = 666.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264253571091 and 264253571100.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12326635 + ... + 12348053.

Almost surely, 2^264253571136 is an apocalyptic number.

264253571136 is the 514056-th square number.

It is an amenable number.

264253571136 is an abundant number, since it is smaller than the sum of its proper divisors (493216942495).

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

264253571136 is an frugal number, since it uses more digits than its factorization.

264253571136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42856 (or 21424 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 264253571136 in words is "two hundred sixty-four billion, two hundred fifty-three million, five hundred seventy-one thousand, one hundred thirty-six".