328355173120 has 144 divisors (see below), whose sum is σ = 850755396960. Its totient is φ = 120703352832.

The previous prime is 328355173087. The next prime is 328355173121. The reversal of 328355173120 is 21371553823.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (328355173121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3733816 + ... + 3820744.

It is an arithmetic number, because the mean of its divisors is an integer number (5908023590).

Almost surely, 2^328355173120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328355173120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425377698480).

328355173120 is an abundant number, since it is smaller than the sum of its proper divisors (522400223840).

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

328355173120 is a wasteful number, since it uses less digits than its factorization.

328355173120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87190 (or 87176 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 328355173120 in words is "three hundred twenty-eight billion, three hundred fifty-five million, one hundred seventy-three thousand, one hundred twenty".