265016331328 has 56 divisors (see below), whose sum is σ = 614996414912. Its totient is φ = 110937060864.

The previous prime is 265016331299. The next prime is 265016331331. The reversal of 265016331328 is 823133610562.

It is a tau number, because it is divible by the number of its divisors (56).

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, 6859275 + ... + 6897802.

Almost surely, 2^265016331328 is an apocalyptic number.

265016331328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

265016331328 is an abundant number, since it is smaller than the sum of its proper divisors (349980083584).

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

265016331328 is a wasteful number, since it uses less digits than its factorization.

265016331328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13757139 (or 13757129 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 265016331328 in words is "two hundred sixty-five billion, sixteen million, three hundred thirty-one thousand, three hundred twenty-eight".