265268290 has 32 divisors (see below), whose sum is σ = 558391680. Its totient is φ = 88833024.

The previous prime is 265268279. The next prime is 265268303. The reversal of 265268290 is 92862562.

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, 41055 + ... + 47074.

It is an arithmetic number, because the mean of its divisors is an integer number (17449740).

Almost surely, 2^265268290 is an apocalyptic number.

265268290 is an abundant number, since it is smaller than the sum of its proper divisors (293123390).

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

265268290 is a wasteful number, since it uses less digits than its factorization.

265268290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88186.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 265268290 is about 16287.0589733076. The cubic root of 265268290 is about 642.5325191593.

It can be divided in two parts, 265 and 268290, that multiplied together give a triangular number (71096850 = T₁₁₉₂₄).

The spelling of 265268290 in words is "two hundred sixty-five million, two hundred sixty-eight thousand, two hundred ninety".