478408478408 has 64 divisors (see below), whose sum is σ = 1035536901120. Its totient is φ = 202957920000.

The previous prime is 478408478399. The next prime is 478408478441. The reversal of 478408478408 is 804874804874.

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, 48314258 + ... + 48324158.

It is an arithmetic number, because the mean of its divisors is an integer number (16180264080).

Almost surely, 2^478408478408 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 478408478408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517768450560).

478408478408 is an abundant number, since it is smaller than the sum of its proper divisors (557128422712).

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

478408478408 is a wasteful number, since it uses less digits than its factorization.

478408478408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18558 (or 18554 counting only the distinct ones).

The product of its (nonzero) digits is 51380224, while the sum is 62.

The spelling of 478408478408 in words is "four hundred seventy-eight billion, four hundred eight million, four hundred seventy-eight thousand, four hundred eight".