325663616340 has 96 divisors (see below), whose sum is σ = 1016372367360. Its totient is φ = 86569630848.

The previous prime is 325663616323. The next prime is 325663616347. The reversal of 325663616340 is 43616366523.

325663616340 is a `hidden beast` number, since 3 + 2 + 5 + 6 + 6 + 3 + 6 + 1 + 634 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325663616347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 780052 + ... + 1122411.

It is an arithmetic number, because the mean of its divisors is an integer number (10587212160).

Almost surely, 2^325663616340 is an apocalyptic number.

325663616340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325663616340 is an abundant number, since it is smaller than the sum of its proper divisors (690708751020).

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

325663616340 is a wasteful number, since it uses less digits than its factorization.

325663616340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902798 (or 1902790 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 325663616340 in words is "three hundred twenty-five billion, six hundred sixty-three million, six hundred sixteen thousand, three hundred forty".