320072046188 has 12 divisors (see below), whose sum is σ = 560916108480. Its totient is φ = 159810300912.

The previous prime is 320072046187. The next prime is 320072046223. The reversal of 320072046188 is 881640270023.

It is a super-2 number, since 2×320072046188² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320072046187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56427356 + ... + 56433027.

It is an arithmetic number, because the mean of its divisors is an integer number (46743009040).

Almost surely, 2^320072046188 is an apocalyptic number.

It is an amenable number.

320072046188 is a deficient number, since it is larger than the sum of its proper divisors (240844062292).

320072046188 is a wasteful number, since it uses less digits than its factorization.

320072046188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112861096 (or 112861094 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 320072046188 in words is "three hundred twenty billion, seventy-two million, forty-six thousand, one hundred eighty-eight".