320240604081 has 16 divisors (see below), whose sum is σ = 463131321408. Its totient is φ = 196034419200.

The previous prime is 320240604071. The next prime is 320240604157. The reversal of 320240604081 is 180406042023.

It is not a de Polignac number, because 320240604081 - 2⁵ = 320240604049 is a prime.

It is a super-2 number, since 2×320240604081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320240604071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76573855 + ... + 76578036.

It is an arithmetic number, because the mean of its divisors is an integer number (28945707588).

Almost surely, 2^320240604081 is an apocalyptic number.

It is an amenable number.

320240604081 is a deficient number, since it is larger than the sum of its proper divisors (142890717327).

320240604081 is a wasteful number, since it uses less digits than its factorization.

320240604081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153151952.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 320240604081 in words is "three hundred twenty billion, two hundred forty million, six hundred four thousand, eighty-one".