322625040 has 40 divisors (see below), whose sum is σ = 1000138368. Its totient is φ = 86033280.

The previous prime is 322625021. The next prime is 322625041. The reversal of 322625040 is 40526223.

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 a self number, because there is not a number n which added to its sum of digits gives 322625040.

It is not an unprimeable number, because it can be changed into a prime (322625041) 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, 671896 + ... + 672375.

Almost surely, 2^322625040 is an apocalyptic number.

322625040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

322625040 is an abundant number, since it is smaller than the sum of its proper divisors (677513328).

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

322625040 is a wasteful number, since it uses less digits than its factorization.

322625040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344287 (or 1344281 counting only the distinct ones).

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

The square root of 322625040 is about 17961.7660601623. The cubic root of 322625040 is about 685.8556023229.

The spelling of 322625040 in words is "three hundred twenty-two million, six hundred twenty-five thousand, forty".