478134456 has 32 divisors (see below), whose sum is σ = 1224493200. Its totient is φ = 155490560.

The previous prime is 478134439. The next prime is 478134457. The reversal of 478134456 is 654431874.

It is a super-2 number, since 2×478134456² = 457225116028831872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478134457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241971 + ... + 243938.

Almost surely, 2^478134456 is an apocalyptic number.

It is an amenable number.

478134456 is an abundant number, since it is smaller than the sum of its proper divisors (746358744).

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

478134456 is a wasteful number, since it uses less digits than its factorization.

478134456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485959 (or 485955 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 478134456 is about 21866.2858300169. The cubic root of 478134456 is about 781.9578560194.

The spelling of 478134456 in words is "four hundred seventy-eight million, one hundred thirty-four thousand, four hundred fifty-six".