320133045400 has 96 divisors (see below), whose sum is σ = 858167439840. Its totient is φ = 108788520960.

The previous prime is 320133045383. The next prime is 320133045433. The reversal of 320133045400 is 4540331023.

It is a super-3 number, since 3×320133045400³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 853599 + ... + 1169998.

It is an arithmetic number, because the mean of its divisors is an integer number (8939244165).

Almost surely, 2^320133045400 is an apocalyptic number.

It is an amenable number.

320133045400 is an abundant number, since it is smaller than the sum of its proper divisors (538034394440).

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

320133045400 is a wasteful number, since it uses less digits than its factorization.

320133045400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023733 (or 2023724 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 320133045400 its reverse (4540331023), we get a palindrome (324673376423).

The spelling of 320133045400 in words is "three hundred twenty billion, one hundred thirty-three million, forty-five thousand, four hundred".