478540412 has 48 divisors (see below), whose sum is σ = 1018825920. Its totient is φ = 191987712.

The previous prime is 478540399. The next prime is 478540427. The reversal of 478540412 is 214045874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89264 + ... + 94472.

It is an arithmetic number, because the mean of its divisors is an integer number (21225540).

Almost surely, 2^478540412 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 478540412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509412960).

478540412 is an abundant number, since it is smaller than the sum of its proper divisors (540285508).

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

478540412 is a wasteful number, since it uses less digits than its factorization.

478540412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430 (or 5428 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 478540412 is about 21875.5665526633. The cubic root of 478540412 is about 782.1790983093.

The spelling of 478540412 in words is "four hundred seventy-eight million, five hundred forty thousand, four hundred twelve".