384191399964 has 48 divisors (see below), whose sum is σ = 898045626240. Its totient is φ = 127835547840.

The previous prime is 384191399941. The next prime is 384191400011. The reversal of 384191399964 is 469993191483.

It is a junction number, because it is equal to n+sod(n) for n = 384191399895 and 384191399904.

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 15 ways as a sum of consecutive naturals, for example, 19483342 + ... + 19503050.

It is an arithmetic number, because the mean of its divisors is an integer number (18709283880).

Almost surely, 2^384191399964 is an apocalyptic number.

It is an amenable number.

384191399964 is an abundant number, since it is smaller than the sum of its proper divisors (513854226276).

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

384191399964 is a wasteful number, since it uses less digits than its factorization.

384191399964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22530 (or 22528 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 66.

The spelling of 384191399964 in words is "three hundred eighty-four billion, one hundred ninety-one million, three hundred ninety-nine thousand, nine hundred sixty-four".