478844456 has 16 divisors (see below), whose sum is σ = 901330740. Its totient is φ = 238489600.

The previous prime is 478844447. The next prime is 478844467. The reversal of 478844456 is 654448874.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 478121956 + 722500 = 21866^2 + 850^2 .

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, 114395 + ... + 118506.

Almost surely, 2^478844456 is an apocalyptic number.

It is an amenable number.

478844456 is a deficient number, since it is larger than the sum of its proper divisors (422486284).

478844456 is a wasteful number, since it uses less digits than its factorization.

478844456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233164 (or 233160 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 50.

The square root of 478844456 is about 21882.5148463334. The cubic root of 478844456 is about 782.3447175600.

The spelling of 478844456 in words is "four hundred seventy-eight million, eight hundred forty-four thousand, four hundred fifty-six".