320550133044000 has 96 divisors (see below), whose sum is σ = 1050122235891456. Its totient is φ = 85480035475200.

The previous prime is 320550133043999. The next prime is 320550133044061. The reversal of 320550133044000 is 440331055023.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×320550133044000² (a number of 30 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 13356243544 + ... + 13356267543.

It is an arithmetic number, because the mean of its divisors is an integer number (10938773290536).

Almost surely, 2^{320550133044000} is an apocalyptic number.

320550133044000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320550133044000 is an abundant number, since it is smaller than the sum of its proper divisors (729572102847456).

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

320550133044000 is a wasteful number, since it uses less digits than its factorization.

320550133044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26712511115 (or 26712511097 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 320550133044000 its reverse (440331055023), we get a palindrome (320990464099023).

The spelling of 320550133044000 in words is "three hundred twenty trillion, five hundred fifty billion, one hundred thirty-three million, forty-four thousand".