479815830 has 96 divisors (see below), whose sum is σ = 1386927360. Its totient is φ = 114289920.

The previous prime is 479815829. The next prime is 479815841. The reversal of 479815830 is 38518974.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29656 + ... + 42884.

It is an arithmetic number, because the mean of its divisors is an integer number (14447160).

Almost surely, 2^479815830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 479815830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693463680).

479815830 is an abundant number, since it is smaller than the sum of its proper divisors (907111530).

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

479815830 is a wasteful number, since it uses less digits than its factorization.

479815830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13286 (or 13283 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 479815830 is about 21904.6988109857. The cubic root of 479815830 is about 782.8733763718.

The spelling of 479815830 in words is "four hundred seventy-nine million, eight hundred fifteen thousand, eight hundred thirty".