328107222756 has 72 divisors (see below), whose sum is σ = 908451081720. Its totient is φ = 99386090496.

The previous prime is 328107222731. The next prime is 328107222757. The reversal of 328107222756 is 657222701823.

It can be written as a sum of positive squares in 4 ways, for example, as 97194297600 + 230912925156 = 311760^2 + 480534^2 .

It is not an unprimeable number, because it can be changed into a prime (328107222757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9225751 + ... + 9261246.

It is an arithmetic number, because the mean of its divisors is an integer number (12617376135).

Almost surely, 2^328107222756 is an apocalyptic number.

328107222756 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

328107222756 is an abundant number, since it is smaller than the sum of its proper divisors (580343858964).

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

328107222756 is a wasteful number, since it uses less digits than its factorization.

328107222756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18487053 (or 18487048 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 328107222756 in words is "three hundred twenty-eight billion, one hundred seven million, two hundred twenty-two thousand, seven hundred fifty-six".