265334640652 has 48 divisors (see below), whose sum is σ = 486587344320. Its totient is φ = 126359912448.

The previous prime is 265334640647. The next prime is 265334640661. The reversal of 265334640652 is 256046433562.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23088924 + ... + 23100412.

It is an arithmetic number, because the mean of its divisors is an integer number (10137236340).

Almost surely, 2^265334640652 is an apocalyptic number.

It is an amenable number.

265334640652 is a deficient number, since it is larger than the sum of its proper divisors (221252703668).

265334640652 is a wasteful number, since it uses less digits than its factorization.

265334640652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562 (or 12560 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 265334640652 in words is "two hundred sixty-five billion, three hundred thirty-four million, six hundred forty thousand, six hundred fifty-two".