265004864 has 28 divisors (see below), whose sum is σ = 542836608. Its totient is φ = 128227200.

The previous prime is 265004851. The next prime is 265004869. The reversal of 265004864 is 468400562.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265004869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64802 + ... + 68769.

Almost surely, 2^265004864 is an apocalyptic number.

It is an amenable number.

265004864 is an abundant number, since it is smaller than the sum of its proper divisors (277831744).

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

265004864 is a wasteful number, since it uses less digits than its factorization.

265004864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133614 (or 133604 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 265004864 is about 16278.9699919866. The cubic root of 265004864 is about 642.3197586739.

The spelling of 265004864 in words is "two hundred sixty-five million, four thousand, eight hundred sixty-four".