325739538720 has 768 divisors, whose sum is σ = 1218789089280. Its totient is φ = 81079308288.

The previous prime is 325739538703. The next prime is 325739538737. The reversal of 325739538720 is 27835937523.

325739538720 is a `hidden beast` number, since 3 + 2 + 5 + 7 + 39 + 538 + 72 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (325739538703) and next prime (325739538737).

It is a super-2 number, since 2×325739538720² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1111738894 + ... + 1111739186.

It is an arithmetic number, because the mean of its divisors is an integer number (1586964960).

Almost surely, 2^325739538720 is an apocalyptic number.

325739538720 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 325739538720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609394544640).

325739538720 is an abundant number, since it is smaller than the sum of its proper divisors (893049550560).

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

325739538720 is a wasteful number, since it uses less digits than its factorization.

325739538720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 325739538720 in words is "three hundred twenty-five billion, seven hundred thirty-nine million, five hundred thirty-eight thousand, seven hundred twenty".