478690411218 has 16 divisors (see below), whose sum is σ = 958465069536. Its totient is φ = 159382762560.

The previous prime is 478690411193. The next prime is 478690411223. The reversal of 478690411218 is 812114096874.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45171223 + ... + 45181818.

It is an arithmetic number, because the mean of its divisors is an integer number (59904066846).

Almost surely, 2^478690411218 is an apocalyptic number.

478690411218 is an abundant number, since it is smaller than the sum of its proper divisors (479774658318).

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

478690411218 is a wasteful number, since it uses less digits than its factorization.

478690411218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90353929.

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 478690411218 in words is "four hundred seventy-eight billion, six hundred ninety million, four hundred eleven thousand, two hundred eighteen".