325642558500 has 360 divisors, whose sum is σ = 1235877899256. Its totient is φ = 74432131200.

The previous prime is 325642558487. The next prime is 325642558559. The reversal of 325642558500 is 5855246523.

325642558500 is a `hidden beast` number, since 3 + 2 + 5 + 6 + 42 + 558 + 50 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15623000064 + 310019558436 = 124992^2 + 556794^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1902454 + ... + 2066546.

Almost surely, 2^325642558500 is an apocalyptic number.

325642558500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325642558500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617938949628).

325642558500 is an abundant number, since it is smaller than the sum of its proper divisors (910235340756).

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

325642558500 is a wasteful number, since it uses less digits than its factorization.

325642558500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164138 (or 164110 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 325642558500 in words is "three hundred twenty-five billion, six hundred forty-two million, five hundred fifty-eight thousand, five hundred".