481638224 has 20 divisors (see below), whose sum is σ = 933752736. Its totient is φ = 240669792.

The previous prime is 481638217. The next prime is 481638233. The reversal of 481638224 is 422836184.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20087 + ... + 36969.

Almost surely, 2^481638224 is an apocalyptic number.

It is an amenable number.

481638224 is a deficient number, since it is larger than the sum of its proper divisors (452114512).

481638224 is a wasteful number, since it uses less digits than its factorization.

481638224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18674 (or 18668 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 481638224 is about 21946.2576308582. The cubic root of 481638224 is about 783.8632709637.

The spelling of 481638224 in words is "four hundred eighty-one million, six hundred thirty-eight thousand, two hundred twenty-four".