265026260 has 24 divisors (see below), whose sum is σ = 589294440. Its totient is φ = 99774464.

The previous prime is 265026211. The next prime is 265026271. The reversal of 265026260 is 62620562.

It can be written as a sum of positive squares in 4 ways, for example, as 4268356 + 260757904 = 2066^2 + 16148^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389405 + ... + 390084.

It is an arithmetic number, because the mean of its divisors is an integer number (24553935).

Almost surely, 2^265026260 is an apocalyptic number.

265026260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265026260 is an abundant number, since it is smaller than the sum of its proper divisors (324268180).

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

265026260 is a wasteful number, since it uses less digits than its factorization.

265026260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779515 (or 779513 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 265026260 is about 16279.6271456075. The cubic root of 265026260 is about 642.3370447764.

The spelling of 265026260 in words is "two hundred sixty-five million, twenty-six thousand, two hundred sixty".