325557750780 has 72 divisors (see below), whose sum is σ = 990216182592. Its totient is φ = 86578828416.

The previous prime is 325557750733. The next prime is 325557750781. The reversal of 325557750780 is 87057755523.

325557750780 is a `hidden beast` number, since 3 + 2 + 5 + 5 + 57 + 7 + 507 + 80 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325557750781) 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, 2398047 + ... + 2530166.

It is an arithmetic number, because the mean of its divisors is an integer number (13753002536).

Almost surely, 2^325557750780 is an apocalyptic number.

325557750780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325557750780 is an abundant number, since it is smaller than the sum of its proper divisors (664658431812).

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

325557750780 is a wasteful number, since it uses less digits than its factorization.

325557750780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928595 (or 4928590 counting only the distinct ones).

The product of its (nonzero) digits is 10290000, while the sum is 54.

The spelling of 325557750780 in words is "three hundred twenty-five billion, five hundred fifty-seven million, seven hundred fifty thousand, seven hundred eighty".