479229820 has 24 divisors (see below), whose sum is σ = 1006806528. Its totient is φ = 191611200.

The previous prime is 479229791. The next prime is 479229841. The reversal of 479229820 is 28922974.

It is a super-2 number, since 2×479229820² = 459322440754464800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73285 + ... + 79555.

It is an arithmetic number, because the mean of its divisors is an integer number (41950272).

Almost surely, 2^479229820 is an apocalyptic number.

It is an amenable number.

479229820 is an abundant number, since it is smaller than the sum of its proper divisors (527576708).

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

479229820 is a wasteful number, since it uses less digits than its factorization.

479229820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101 (or 10099 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 479229820 is about 21891.3183705322. The cubic root of 479229820 is about 782.5545328386.

The spelling of 479229820 in words is "four hundred seventy-nine million, two hundred twenty-nine thousand, eight hundred twenty".