325809783936 has 1440 divisors, whose sum is σ = 1284604759620. Its totient is φ = 78900756480.

The previous prime is 325809783911. The next prime is 325809783947. The reversal of 325809783936 is 639387908523.

It can be written as a sum of positive squares in 6 ways, for example, as 21609000000 + 304200783936 = 147000^2 + 551544^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 7946580076 + ... + 7946580116.

Almost surely, 2^325809783936 is an apocalyptic number.

325809783936 is a gapful number since it is divisible by the number (36) 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 325809783936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642302379810).

325809783936 is an abundant number, since it is smaller than the sum of its proper divisors (958794975684).

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

325809783936 is a wasteful number, since it uses less digits than its factorization.

325809783936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 325809783936 in words is "three hundred twenty-five billion, eight hundred nine million, seven hundred eighty-three thousand, nine hundred thirty-six".