325616334540 has 48 divisors (see below), whose sum is σ = 1041972271872. Its totient is φ = 74426590656.

The previous prime is 325616334529. The next prime is 325616334557. The reversal of 325616334540 is 45433616523.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 325616334492 and 325616334501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387638074 + ... + 387638913.

It is an arithmetic number, because the mean of its divisors is an integer number (21707755664).

Almost surely, 2^325616334540 is an apocalyptic number.

325616334540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325616334540 is an abundant number, since it is smaller than the sum of its proper divisors (716355937332).

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

325616334540 is a wasteful number, since it uses less digits than its factorization.

325616334540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775277006 (or 775277004 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 325616334540 in words is "three hundred twenty-five billion, six hundred sixteen million, three hundred thirty-four thousand, five hundred forty".