325275542640 has 280 divisors, whose sum is σ = 1170463026048. Its totient is φ = 83941608960.

The previous prime is 325275542639. The next prime is 325275542663. The reversal of 325275542640 is 46245572523.

325275542640 is a `hidden beast` number, since 3 + 2 + 52 + 7 + 554 + 2 + 6 + 40 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1717962 + ... + 1897878.

Almost surely, 2^325275542640 is an apocalyptic number.

325275542640 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 325275542640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585231513024).

325275542640 is an abundant number, since it is smaller than the sum of its proper divisors (845187483408).

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

325275542640 is a wasteful number, since it uses less digits than its factorization.

325275542640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179979 (or 179958 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

The spelling of 325275542640 in words is "three hundred twenty-five billion, two hundred seventy-five million, five hundred forty-two thousand, six hundred forty".