320949625530 has 16 divisors (see below), whose sum is σ = 770279101344. Its totient is φ = 85586566800.

The previous prime is 320949625523. The next prime is 320949625571. The reversal of 320949625530 is 35526949023.

It is a self number, because there is not a number n which added to its sum of digits gives 320949625530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5349160396 + ... + 5349160455.

It is an arithmetic number, because the mean of its divisors is an integer number (48142443834).

Almost surely, 2^320949625530 is an apocalyptic number.

320949625530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320949625530 is an abundant number, since it is smaller than the sum of its proper divisors (449329475814).

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

320949625530 is a wasteful number, since it uses less digits than its factorization.

320949625530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698320861.

The product of its (nonzero) digits is 1749600, while the sum is 48.

The spelling of 320949625530 in words is "three hundred twenty billion, nine hundred forty-nine million, six hundred twenty-five thousand, five hundred thirty".