265042320 has 40 divisors (see below), whose sum is σ = 821631936. Its totient is φ = 70677888.

The previous prime is 265042313. The next prime is 265042373. The reversal of 265042320 is 23240562.

265042320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551932 + ... + 552411.

Almost surely, 2^265042320 is an apocalyptic number.

265042320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265042320 is an abundant number, since it is smaller than the sum of its proper divisors (556589616).

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

265042320 is a wasteful number, since it uses less digits than its factorization.

265042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104359 (or 1104353 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 265042320 is about 16280.1203926752. The cubic root of 265042320 is about 642.3500192449.

Adding to 265042320 its reverse (23240562), we get a palindrome (288282882).

The spelling of 265042320 in words is "two hundred sixty-five million, forty-two thousand, three hundred twenty".