320879119680 has 896 divisors, whose sum is σ = 1398783283200. Its totient is φ = 67596705792.

The previous prime is 320879119621. The next prime is 320879119709. The reversal of 320879119680 is 86911978023.

It is a super-2 number, since 2×320879119680² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42513667 + ... + 42521213.

Almost surely, 2^320879119680 is an apocalyptic number.

320879119680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320879119680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699391641600).

320879119680 is an abundant number, since it is smaller than the sum of its proper divisors (1077904163520).

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

320879119680 is a wasteful number, since it uses less digits than its factorization.

320879119680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636 (or 7620 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 320879119680 in words is "three hundred twenty billion, eight hundred seventy-nine million, one hundred nineteen thousand, six hundred eighty".