320502275642 has 16 divisors (see below), whose sum is σ = 505229236512. Its totient is φ = 152293977360.

The previous prime is 320502275633. The next prime is 320502275659. The reversal of 320502275642 is 246572205023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320502275596 and 320502275605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50358584 + ... + 50364947.

It is an arithmetic number, because the mean of its divisors is an integer number (31576827282).

Almost surely, 2^320502275642 is an apocalyptic number.

320502275642 is a deficient number, since it is larger than the sum of its proper divisors (184726960870).

320502275642 is a wasteful number, since it uses less digits than its factorization.

320502275642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100723613.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 320502275642 in words is "three hundred twenty billion, five hundred two million, two hundred seventy-five thousand, six hundred forty-two".