264440261253306 has 16 divisors (see below), whose sum is σ = 528909631675200. Its totient is φ = 88141902223008.

The previous prime is 264440261253277. The next prime is 264440261253383. The reversal of 264440261253306 is 603352162044462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212763926 + ... + 1212981953.

It is an arithmetic number, because the mean of its divisors is an integer number (33056851979700).

Almost surely, 2^{264440261253306} is an apocalyptic number.

264440261253306 is an abundant number, since it is smaller than the sum of its proper divisors (264469370421894).

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

264440261253306 is a wasteful number, since it uses less digits than its factorization.

264440261253306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425764053.

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 264440261253306 in words is "two hundred sixty-four trillion, four hundred forty billion, two hundred sixty-one million, two hundred fifty-three thousand, three hundred six".