320145552300 has 108 divisors (see below), whose sum is σ = 1077518508360. Its totient is φ = 73176122880.

The previous prime is 320145552299. The next prime is 320145552317. The reversal of 320145552300 is 3255541023.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10874605 + ... + 10904004.

Almost surely, 2^320145552300 is an apocalyptic number.

320145552300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320145552300 is an abundant number, since it is smaller than the sum of its proper divisors (757372956060).

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

320145552300 is a wasteful number, since it uses less digits than its factorization.

320145552300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21778640 (or 21778626 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 320145552300 in words is "three hundred twenty billion, one hundred forty-five million, five hundred fifty-two thousand, three hundred".