479221740 has 72 divisors (see below), whose sum is σ = 1455723360. Its totient is φ = 127609344.

The previous prime is 479221733. The next prime is 479221759. The reversal of 479221740 is 47122974.

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

It is a junction number, because it is equal to n+sod(n) for n = 479221695 and 479221704.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163972 + ... + 166868.

It is an arithmetic number, because the mean of its divisors is an integer number (20218380).

Almost surely, 2^479221740 is an apocalyptic number.

It is an amenable number.

479221740 is an abundant number, since it is smaller than the sum of its proper divisors (976501620).

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

479221740 is a wasteful number, since it uses less digits than its factorization.

479221740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831 (or 3826 counting only the distinct ones).

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

The square root of 479221740 is about 21891.1338217096. The cubic root of 479221740 is about 782.5501347566.

The spelling of 479221740 in words is "four hundred seventy-nine million, two hundred twenty-one thousand, seven hundred forty".