264525803136 has 512 divisors, whose sum is σ = 918487641600. Its totient is φ = 74306211840.

The previous prime is 264525803111. The next prime is 264525803149. The reversal of 264525803136 is 631308525462.

264525803136 is a `hidden beast` number, since 2 + 6 + 4 + 5 + 2 + 580 + 31 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 264525803091 and 264525803100.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119531566 + ... + 119533778.

It is an arithmetic number, because the mean of its divisors is an integer number (1793921175).

Almost surely, 2^264525803136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264525803136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459243820800).

264525803136 is an abundant number, since it is smaller than the sum of its proper divisors (653961838464).

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

264525803136 is an frugal number, since it uses more digits than its factorization.

264525803136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 264525803136 in words is "two hundred sixty-four billion, five hundred twenty-five million, eight hundred three thousand, one hundred thirty-six".