325450133640 has 96 divisors (see below), whose sum is σ = 1075640342400. Its totient is φ = 85315735680.

The previous prime is 325450133639. The next prime is 325450133647. The reversal of 325450133640 is 46331054523.

325450133640 is a `hidden beast` number, since 3 + 2 + 5 + 4 + 5 + 0 + 1 + 3 + 3 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 325450133595 and 325450133604.

It is not an unprimeable number, because it can be changed into a prime (325450133647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7640016 + ... + 7682495.

It is an arithmetic number, because the mean of its divisors is an integer number (11204586900).

Almost surely, 2^325450133640 is an apocalyptic number.

325450133640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325450133640 is an abundant number, since it is smaller than the sum of its proper divisors (750190208760).

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

325450133640 is a wasteful number, since it uses less digits than its factorization.

325450133640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15322587 (or 15322580 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 325450133640 in words is "three hundred twenty-five billion, four hundred fifty million, one hundred thirty-three thousand, six hundred forty".