320272621392 has 20 divisors (see below), whose sum is σ = 827370938720. Its totient is φ = 106757540448.

The previous prime is 320272621387. The next prime is 320272621411. The reversal of 320272621392 is 293126272023.

It is a self number, because there is not a number n which added to its sum of digits gives 320272621392.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3336173092 + ... + 3336173187.

It is an arithmetic number, because the mean of its divisors is an integer number (41368546936).

Almost surely, 2^320272621392 is an apocalyptic number.

It is an amenable number.

320272621392 is an abundant number, since it is smaller than the sum of its proper divisors (507098317328).

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

320272621392 is a wasteful number, since it uses less digits than its factorization.

320272621392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672346290 (or 6672346284 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 320272621392 in words is "three hundred twenty billion, two hundred seventy-two million, six hundred twenty-one thousand, three hundred ninety-two".