320502480618 has 16 divisors (see below), whose sum is σ = 645087797280. Its totient is φ = 106153687536.

The previous prime is 320502480611. The next prime is 320502480629. The reversal of 320502480618 is 816084205023.

It is not an unprimeable number, because it can be changed into a prime (320502480611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170117148 + ... + 170119031.

It is an arithmetic number, because the mean of its divisors is an integer number (40317987330).

Almost surely, 2^320502480618 is an apocalyptic number.

320502480618 is an abundant number, since it is smaller than the sum of its proper divisors (324585316662).

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

320502480618 is a wasteful number, since it uses less digits than its factorization.

320502480618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340236341.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 320502480618 in words is "three hundred twenty billion, five hundred two million, four hundred eighty thousand, six hundred eighteen".