478418408 has 16 divisors (see below), whose sum is σ = 966037380. Its totient is φ = 220808448.

The previous prime is 478418393. The next prime is 478418411. The reversal of 478418408 is 804814874.

It can be written as a sum of positive squares in 2 ways, for example, as 362597764 + 115820644 = 19042^2 + 10762^2 .

It is a super-2 number, since 2×478418408² = 457768346226508928, which contains 22 as substring.

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, 2299985 + ... + 2300192.

Almost surely, 2^478418408 is an apocalyptic number.

It is an amenable number.

478418408 is an abundant number, since it is smaller than the sum of its proper divisors (487618972).

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

478418408 is a wasteful number, since it uses less digits than its factorization.

478418408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600196 (or 4600192 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 44.

The square root of 478418408 is about 21872.7777842687. Note that the first 4 decimals coincide. The cubic root of 478418408 is about 782.1126204060.

The spelling of 478418408 in words is "four hundred seventy-eight million, four hundred eighteen thousand, four hundred eight".