265425040 has 20 divisors (see below), whose sum is σ = 617113404. Its totient is φ = 106169984.

The previous prime is 265425031. The next prime is 265425073. The reversal of 265425040 is 40524562.

265425040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 76527504 + 188897536 = 8748^2 + 13744^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658827 + ... + 1658986.

Almost surely, 2^265425040 is an apocalyptic number.

265425040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265425040 is an abundant number, since it is smaller than the sum of its proper divisors (351688364).

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

265425040 is a wasteful number, since it uses less digits than its factorization.

265425040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317826 (or 3317820 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 265425040 is about 16291.8703653080. The cubic root of 265425040 is about 642.6590541234.

The spelling of 265425040 in words is "two hundred sixty-five million, four hundred twenty-five thousand, forty".