479989144 has 8 divisors (see below), whose sum is σ = 899979660. Its totient is φ = 239994568.

The previous prime is 479989129. The next prime is 479989163. The reversal of 479989144 is 441989974.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29999314 + ... + 29999329.

Almost surely, 2^479989144 is an apocalyptic number.

It is an amenable number.

479989144 is a deficient number, since it is larger than the sum of its proper divisors (419990516).

479989144 is a wasteful number, since it uses less digits than its factorization.

479989144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59998649 (or 59998645 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 479989144 is about 21908.6545456356. The cubic root of 479989144 is about 782.9676254388.

The spelling of 479989144 in words is "four hundred seventy-nine million, nine hundred eighty-nine thousand, one hundred forty-four".