478230156 has 60 divisors (see below), whose sum is σ = 1267857360. Its totient is φ = 157157280.

The previous prime is 478230131. The next prime is 478230169. The reversal of 478230156 is 651032874.

478230156 is a `hidden beast` number, since 478 + 2 + 30 + 156 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 478230156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12610 + ... + 33398.

It is an arithmetic number, because the mean of its divisors is an integer number (21130956).

Almost surely, 2^478230156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478230156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633928680).

478230156 is an abundant number, since it is smaller than the sum of its proper divisors (789627204).

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

478230156 is a wasteful number, since it uses less digits than its factorization.

478230156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20876 (or 20865 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 478230156 is about 21868.4740208365. The cubic root of 478230156 is about 782.0100229178.

The spelling of 478230156 in words is "four hundred seventy-eight million, two hundred thirty thousand, one hundred fifty-six".