325377540640 has 48 divisors (see below), whose sum is σ = 783208317528. Its totient is φ = 127695333376.

The previous prime is 325377540637. The next prime is 325377540643. The reversal of 325377540640 is 46045773523.

It is an interprime number because it is at equal distance from previous prime (325377540637) and next prime (325377540643).

It can be written as a sum of positive squares in 4 ways, for example, as 262221829776 + 63155710864 = 512076^2 + 251308^2 .

It is not an unprimeable number, because it can be changed into a prime (325377540643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19176517 + ... + 19193476.

Almost surely, 2^325377540640 is an apocalyptic number.

It is an amenable number.

325377540640 is an abundant number, since it is smaller than the sum of its proper divisors (457830776888).

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

325377540640 is a wasteful number, since it uses less digits than its factorization.

325377540640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38370061 (or 38370053 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 46.

The spelling of 325377540640 in words is "three hundred twenty-five billion, three hundred seventy-seven million, five hundred forty thousand, six hundred forty".