384009363640 has 64 divisors (see below), whose sum is σ = 1011536890560. Its totient is φ = 128449121280.

The previous prime is 384009363629. The next prime is 384009363733. The reversal of 384009363640 is 46363900483.

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, 16713667 + ... + 16736626.

It is an arithmetic number, because the mean of its divisors is an integer number (15805263915).

Almost surely, 2^384009363640 is an apocalyptic number.

It is an amenable number.

384009363640 is an abundant number, since it is smaller than the sum of its proper divisors (627527526920).

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

384009363640 is a wasteful number, since it uses less digits than its factorization.

384009363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33450352 (or 33450348 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 384009363640 in words is "three hundred eighty-four billion, nine million, three hundred sixty-three thousand, six hundred forty".