265153920 has 64 divisors (see below), whose sum is σ = 845184240. Its totient is φ = 70707200.

The previous prime is 265153919. The next prime is 265153921. The reversal of 265153920 is 29351562.

265153920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (265153919) and next prime (265153921).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265153921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67131 + ... + 70970.

Almost surely, 2^265153920 is an apocalyptic number.

265153920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265153920 is an abundant number, since it is smaller than the sum of its proper divisors (580030320).

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

265153920 is a wasteful number, since it uses less digits than its factorization.

265153920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138123 (or 138111 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 265153920 is about 16283.5475250327. The cubic root of 265153920 is about 642.4401635949.

The spelling of 265153920 in words is "two hundred sixty-five million, one hundred fifty-three thousand, nine hundred twenty".