265501056260 has 48 divisors (see below), whose sum is σ = 608604494400. Its totient is φ = 96487789440.

The previous prime is 265501056239. The next prime is 265501056319. The reversal of 265501056260 is 62650105562.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4766 + ... + 728714.

It is an arithmetic number, because the mean of its divisors is an integer number (12679260300).

Almost surely, 2^265501056260 is an apocalyptic number.

265501056260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265501056260 is an abundant number, since it is smaller than the sum of its proper divisors (343103438140).

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

265501056260 is a wasteful number, since it uses less digits than its factorization.

265501056260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725636 (or 725634 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 265501056260 in words is "two hundred sixty-five billion, five hundred one million, fifty-six thousand, two hundred sixty".