265400376375 has 32 divisors (see below), whose sum is σ = 443458851264. Its totient is φ = 140959488000.

The previous prime is 265400376347. The next prime is 265400376383. The reversal of 265400376375 is 573673004562.

It is not a de Polignac number, because 265400376375 - 2⁷ = 265400376247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1377954 + ... + 1558703.

It is an arithmetic number, because the mean of its divisors is an integer number (13858089102).

Almost surely, 2^265400376375 is an apocalyptic number.

265400376375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

265400376375 is a deficient number, since it is larger than the sum of its proper divisors (178058474889).

265400376375 is a wasteful number, since it uses less digits than its factorization.

265400376375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936916 (or 2936906 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 265400376375 in words is "two hundred sixty-five billion, four hundred million, three hundred seventy-six thousand, three hundred seventy-five".