4047978184 has 16 divisors (see below), whose sum is σ = 7597336320. Its totient is φ = 2022021840.

The previous prime is 4047978169. The next prime is 4047978197. The reversal of 4047978184 is 4818797404.

It is a happy number.

It is a super-2 number, since 2×4047978184² = 32772254756279875712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237144 + ... + 253639.

It is an arithmetic number, because the mean of its divisors is an integer number (474833520).

Almost surely, 2^4047978184 is an apocalyptic number.

It is an amenable number.

4047978184 is a deficient number, since it is larger than the sum of its proper divisors (3549358136).

4047978184 is a wasteful number, since it uses less digits than its factorization.

4047978184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491820 (or 491816 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 52.

The square root of 4047978184 is about 63623.7234370954. The cubic root of 4047978184 is about 1593.7225626977.

The spelling of 4047978184 in words is "four billion, forty-seven million, nine hundred seventy-eight thousand, one hundred eighty-four".