320451048402 has 32 divisors (see below), whose sum is σ = 658409728704. Its totient is φ = 103900708800.

The previous prime is 320451048343. The next prime is 320451048403. The reversal of 320451048402 is 204840154023.

It is not an unprimeable number, because it can be changed into a prime (320451048403) 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, 590652 + ... + 994872.

It is an arithmetic number, because the mean of its divisors is an integer number (20575304022).

Almost surely, 2^320451048402 is an apocalyptic number.

320451048402 is an abundant number, since it is smaller than the sum of its proper divisors (337958680302).

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

320451048402 is a wasteful number, since it uses less digits than its factorization.

320451048402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407834.

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 320451048402 in words is "three hundred twenty billion, four hundred fifty-one million, forty-eight thousand, four hundred two".