264968009320 has 128 divisors (see below), whose sum is σ = 690953379840. Its totient is φ = 89573621760.

The previous prime is 264968009297. The next prime is 264968009321. The reversal of 264968009320 is 23900869462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (264968009321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6084825 + ... + 6128215.

It is an arithmetic number, because the mean of its divisors is an integer number (5398073280).

Almost surely, 2^264968009320 is an apocalyptic number.

264968009320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264968009320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345476689920).

264968009320 is an abundant number, since it is smaller than the sum of its proper divisors (425985370520).

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

264968009320 is a wasteful number, since it uses less digits than its factorization.

264968009320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43715 (or 43711 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 264968009320 in words is "two hundred sixty-four billion, nine hundred sixty-eight million, nine thousand, three hundred twenty".