384804878840 has 32 divisors (see below), whose sum is σ = 911379978000. Its totient is φ = 145820795904.

The previous prime is 384804878839. The next prime is 384804878863. The reversal of 384804878840 is 48878408483.

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 7 ways as a sum of consecutive naturals, for example, 253160345 + ... + 253161864.

Almost surely, 2^384804878840 is an apocalyptic number.

It is an amenable number.

384804878840 is an abundant number, since it is smaller than the sum of its proper divisors (526575099160).

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

384804878840 is a wasteful number, since it uses less digits than its factorization.

384804878840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506322239 (or 506322235 counting only the distinct ones).

The product of its (nonzero) digits is 44040192, while the sum is 62.

The spelling of 384804878840 in words is "three hundred eighty-four billion, eight hundred four million, eight hundred seventy-eight thousand, eight hundred forty".