320379786960 has 80 divisors (see below), whose sum is σ = 1016274519744. Its totient is φ = 83447755776.

The previous prime is 320379786953. The next prime is 320379786977. The reversal of 320379786960 is 69687973023.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 320379786894 and 320379786903.

It is a congruent number.

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, 15511957 + ... + 15532596.

Almost surely, 2^320379786960 is an apocalyptic number.

320379786960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320379786960 is an abundant number, since it is smaller than the sum of its proper divisors (695894732784).

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

320379786960 is a wasteful number, since it uses less digits than its factorization.

320379786960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31044612 (or 31044606 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 320379786960 in words is "three hundred twenty billion, three hundred seventy-nine million, seven hundred eighty-six thousand, nine hundred sixty".