320480422581 has 16 divisors (see below), whose sum is σ = 466204143168. Its totient is φ = 194209392000.

The previous prime is 320480422579. The next prime is 320480422609. The reversal of 320480422581 is 185224084023.

It is not a de Polignac number, because 320480422581 - 2¹ = 320480422579 is a prime.

It is a super-2 number, since 2×320480422581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320480422501) 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, 219070 + ... + 830031.

It is an arithmetic number, because the mean of its divisors is an integer number (29137758948).

Almost surely, 2^320480422581 is an apocalyptic number.

It is an amenable number.

320480422581 is a deficient number, since it is larger than the sum of its proper divisors (145723720587).

320480422581 is a wasteful number, since it uses less digits than its factorization.

320480422581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058372.

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 320480422581 in words is "three hundred twenty billion, four hundred eighty million, four hundred twenty-two thousand, five hundred eighty-one".