325772494320 has 640 divisors, whose sum is σ = 1261399265280. Its totient is φ = 67722117120.

The previous prime is 325772494291. The next prime is 325772494321. The reversal of 325772494320 is 23494277523.

It is a super-2 number, since 2×325772494320² (a number of 24 digits) contains 22 as substring.

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 325772494320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325772494321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 668937117 + ... + 668937603.

It is an arithmetic number, because the mean of its divisors is an integer number (1970936352).

Almost surely, 2^325772494320 is an apocalyptic number.

325772494320 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 325772494320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630699632640).

325772494320 is an abundant number, since it is smaller than the sum of its proper divisors (935626770960).

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

325772494320 is a wasteful number, since it uses less digits than its factorization.

325772494320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 325772494320 in words is "three hundred twenty-five billion, seven hundred seventy-two million, four hundred ninety-four thousand, three hundred twenty".