325451576640 has 224 divisors, whose sum is σ = 1078940062080. Its totient is φ = 83010543616.

The previous prime is 325451576623. The next prime is 325451576651. The reversal of 325451576640 is 46675154523.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 325451576640.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2924254 + ... + 3033506.

Almost surely, 2^325451576640 is an apocalyptic number.

325451576640 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 325451576640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539470031040).

325451576640 is an abundant number, since it is smaller than the sum of its proper divisors (753488485440).

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

325451576640 is a wasteful number, since it uses less digits than its factorization.

325451576640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109409 (or 109399 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 325451576640 in words is "three hundred twenty-five billion, four hundred fifty-one million, five hundred seventy-six thousand, six hundred forty".