479721024 has 84 divisors (see below), whose sum is σ = 1379212380. Its totient is φ = 159421440.

The previous prime is 479721017. The next prime is 479721031. The reversal of 479721024 is 420127974.

It is an interprime number because it is at equal distance from previous prime (479721017) and next prime (479721031).

It can be written as a sum of positive squares in 2 ways, for example, as 308634624 + 171086400 = 17568^2 + 13080^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 479721024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222994 + ... + 225134.

It is an arithmetic number, because the mean of its divisors is an integer number (16419195).

Almost surely, 2^479721024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 479721024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689606190).

479721024 is an abundant number, since it is smaller than the sum of its proper divisors (899491356).

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

479721024 is a wasteful number, since it uses less digits than its factorization.

479721024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2535 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 479721024 is about 21902.5346478438. The cubic root of 479721024 is about 782.8218107657.

Adding to 479721024 its reverse (420127974), we get a palindrome (899848998).

The spelling of 479721024 in words is "four hundred seventy-nine million, seven hundred twenty-one thousand, twenty-four".