265159938 has 32 divisors (see below), whose sum is σ = 537206400. Its totient is φ = 87246720.

The previous prime is 265159933. The next prime is 265159949. The reversal of 265159938 is 839951562.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (265159933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162768 + ... + 164388.

It is an arithmetic number, because the mean of its divisors is an integer number (16787700).

Almost surely, 2^265159938 is an apocalyptic number.

265159938 is an abundant number, since it is smaller than the sum of its proper divisors (272046462).

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

265159938 is a wasteful number, since it uses less digits than its factorization.

265159938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962.

The product of its digits is 583200, while the sum is 48.

The square root of 265159938 is about 16283.7323117276. The cubic root of 265159938 is about 642.4450238859.

The spelling of 265159938 in words is "two hundred sixty-five million, one hundred fifty-nine thousand, nine hundred thirty-eight".