384159432722 has 18 divisors (see below), whose sum is σ = 623993445567. Its totient is φ = 177299094336.

The previous prime is 384159432703. The next prime is 384159432743. The reversal of 384159432722 is 227234951483.

It can be written as a sum of positive squares in 5 ways, for example, as 45819361 + 384113613361 = 6769^2 + 619769^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=438269.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11378138 + ... + 11411850.

Almost surely, 2^384159432722 is an apocalyptic number.

384159432722 is a deficient number, since it is larger than the sum of its proper divisors (239834012845).

384159432722 is an frugal number, since it uses more digits than its factorization.

384159432722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67454 (or 33728 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

Multiplying 384159432722 by its sum of digits (50), we get a square (19207971636100 = 4382690²).

The spelling of 384159432722 in words is "three hundred eighty-four billion, one hundred fifty-nine million, four hundred thirty-two thousand, seven hundred twenty-two".