320406016404402 has 24 divisors (see below), whose sum is σ = 694217414152080. Its totient is φ = 106801331835960.

The previous prime is 320406016404389. The next prime is 320406016404413. The reversal of 320406016404402 is 204404610604023.

320406016404402 is a `hidden beast` number, since 3 + 2 + 0 + 4 + 0 + 6 + 0 + 1 + 640 + 4 + 4 + 0 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53198752 + ... + 58914507.

It is an arithmetic number, because the mean of its divisors is an integer number (28925725589670).

Almost surely, 2^{320406016404402} is an apocalyptic number.

320406016404402 is an abundant number, since it is smaller than the sum of its proper divisors (373811397747678).

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

320406016404402 is a wasteful number, since it uses less digits than its factorization.

320406016404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112272038 (or 112272035 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 320406016404402 in words is "three hundred twenty trillion, four hundred six billion, sixteen million, four hundred four thousand, four hundred two".