384720591822 has 32 divisors (see below), whose sum is σ = 879452196864. Its totient is φ = 109908813600.

The previous prime is 384720591809. The next prime is 384720591847. The reversal of 384720591822 is 228195027483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57454 + ... + 879057.

It is an arithmetic number, because the mean of its divisors is an integer number (27482881152).

Almost surely, 2^384720591822 is an apocalyptic number.

384720591822 is an abundant number, since it is smaller than the sum of its proper divisors (494731605042).

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

384720591822 is a wasteful number, since it uses less digits than its factorization.

384720591822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946304.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 384720591822 in words is "three hundred eighty-four billion, seven hundred twenty million, five hundred ninety-one thousand, eight hundred twenty-two".