264299157340 has 24 divisors (see below), whose sum is σ = 560523563712. Its totient is φ = 104672932800.

The previous prime is 264299157319. The next prime is 264299157383. The reversal of 264299157340 is 43751992462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65418564 + ... + 65422603.

It is an arithmetic number, because the mean of its divisors is an integer number (23355148488).

Almost surely, 2^264299157340 is an apocalyptic number.

264299157340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264299157340 is an abundant number, since it is smaller than the sum of its proper divisors (296224406372).

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

264299157340 is a wasteful number, since it uses less digits than its factorization.

264299157340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130841277 (or 130841275 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 264299157340 in words is "two hundred sixty-four billion, two hundred ninety-nine million, one hundred fifty-seven thousand, three hundred forty".