328990498800 has 120 divisors (see below), whose sum is σ = 1054600108416. Its totient is φ = 87669707520.

The previous prime is 328990498789. The next prime is 328990498841. The reversal of 328990498800 is 8894099823.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1641667 + ... + 1831133.

Almost surely, 2^328990498800 is an apocalyptic number.

328990498800 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 328990498800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527300054208).

328990498800 is an abundant number, since it is smaller than the sum of its proper divisors (725609609616).

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

328990498800 is a wasteful number, since it uses less digits than its factorization.

328990498800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190935 (or 190924 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 328990498800 in words is "three hundred twenty-eight billion, nine hundred ninety million, four hundred ninety-eight thousand, eight hundred".