479918890 has 32 divisors (see below), whose sum is σ = 943415424. Its totient is φ = 174325440.

The previous prime is 479918821. The next prime is 479918909. The reversal of 479918890 is 98819974.

It is a Harshad number since it is a multiple of its sum of digits (55).

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 15 ways as a sum of consecutive naturals, for example, 134307 + ... + 137833.

It is an arithmetic number, because the mean of its divisors is an integer number (29481732).

Almost surely, 2^479918890 is an apocalyptic number.

479918890 is a deficient number, since it is larger than the sum of its proper divisors (463496534).

479918890 is a wasteful number, since it uses less digits than its factorization.

479918890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 479918890 is about 21907.0511479752. The cubic root of 479918890 is about 782.9294236780.

The spelling of 479918890 in words is "four hundred seventy-nine million, nine hundred eighteen thousand, eight hundred ninety".