325813440 has 56 divisors (see below), whose sum is σ = 1034460720. Its totient is φ = 86883328.

The previous prime is 325813427. The next prime is 325813457. The reversal of 325813440 is 44318523.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 325813398 and 325813407.

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, 168735 + ... + 170654.

Almost surely, 2^325813440 is an apocalyptic number.

325813440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325813440 is an abundant number, since it is smaller than the sum of its proper divisors (708647280).

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

325813440 is a wasteful number, since it uses less digits than its factorization.

325813440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339409 (or 339399 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 325813440 is about 18050.3030445475. The cubic root of 325813440 is about 688.1075638565.

The spelling of 325813440 in words is "three hundred twenty-five million, eight hundred thirteen thousand, four hundred forty".