320240073056 has 24 divisors (see below), whose sum is σ = 630527317560. Its totient is φ = 160106151168.

The previous prime is 320240072981. The next prime is 320240073059. The reversal of 320240073056 is 650370042023.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320240073059) 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, 54026 + ... + 802121.

It is an arithmetic number, because the mean of its divisors is an integer number (26271971565).

Almost surely, 2^320240073056 is an apocalyptic number.

It is an amenable number.

320240073056 is a deficient number, since it is larger than the sum of its proper divisors (310287244504).

320240073056 is a wasteful number, since it uses less digits than its factorization.

320240073056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867846 (or 867838 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 320240073056 in words is "three hundred twenty billion, two hundred forty million, seventy-three thousand, fifty-six".