265265420 has 36 divisors (see below), whose sum is σ = 648007920. Its totient is φ = 90947808.

The previous prime is 265265411. The next prime is 265265423. The reversal of 265265420 is 24562562.

265265420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (265265423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134360 + ... + 136319.

It is an arithmetic number, because the mean of its divisors is an integer number (18000220).

Almost surely, 2^265265420 is an apocalyptic number.

265265420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265265420 is an abundant number, since it is smaller than the sum of its proper divisors (382742500).

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

265265420 is a wasteful number, since it uses less digits than its factorization.

265265420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270702 (or 270693 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 265265420 is about 16286.9708663091. The cubic root of 265265420 is about 642.5302019142.

The spelling of 265265420 in words is "two hundred sixty-five million, two hundred sixty-five thousand, four hundred twenty".