328860031500 has 864 divisors, whose sum is σ = 1403695483008. Its totient is φ = 63068544000.

The previous prime is 328860031499. The next prime is 328860031517. The reversal of 328860031500 is 5130068823.

328860031500 is a `hidden beast` number, since 3 + 288 + 60 + 0 + 315 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 49546182 + ... + 49552818.

Almost surely, 2^328860031500 is an apocalyptic number.

328860031500 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 328860031500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701847741504).

328860031500 is an abundant number, since it is smaller than the sum of its proper divisors (1074835451508).

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

328860031500 is a wasteful number, since it uses less digits than its factorization.

328860031500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704 (or 6678 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 328860031500 in words is "three hundred twenty-eight billion, eight hundred sixty million, thirty-one thousand, five hundred".