325450040520 has 128 divisors (see below), whose sum is σ = 1070628762240. Its totient is φ = 78488125440.

The previous prime is 325450040507. The next prime is 325450040521. The reversal of 325450040520 is 25040054523.

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

It is not an unprimeable number, because it can be changed into a prime (325450040521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383979 + ... + 893498.

It is an arithmetic number, because the mean of its divisors is an integer number (8364287205).

Almost surely, 2^325450040520 is an apocalyptic number.

325450040520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325450040520 is an abundant number, since it is smaller than the sum of its proper divisors (745178721720).

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

325450040520 is a wasteful number, since it uses less digits than its factorization.

325450040520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277695 (or 1277691 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 325450040520 in words is "three hundred twenty-five billion, four hundred fifty million, forty thousand, five hundred twenty".