478953448 has 8 divisors (see below), whose sum is σ = 898037730. Its totient is φ = 239476720.

The previous prime is 478953443. The next prime is 478953457. The reversal of 478953448 is 844359874.

It can be written as a sum of positive squares in only one way, i.e., 260564164 + 218389284 = 16142^2 + 14778^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 478953395 and 478953404.

It is not an unprimeable number, because it can be changed into a prime (478953443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29934583 + ... + 29934598.

Almost surely, 2^478953448 is an apocalyptic number.

It is an amenable number.

478953448 is a deficient number, since it is larger than the sum of its proper divisors (419084282).

478953448 is a wasteful number, since it uses less digits than its factorization.

478953448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59869187 (or 59869183 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 478953448 is about 21885.0050948132. The cubic root of 478953448 is about 782.4040707561.

The spelling of 478953448 in words is "four hundred seventy-eight million, nine hundred fifty-three thousand, four hundred forty-eight".