478460828490 has 32 divisors (see below), whose sum is σ = 1154134967040. Its totient is φ = 126941889984.

The previous prime is 478460828449. The next prime is 478460828507. The reversal of 478460828490 is 94828064874.

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, 40473010 + ... + 40484829.

It is an arithmetic number, because the mean of its divisors is an integer number (36066717720).

Almost surely, 2^478460828490 is an apocalyptic number.

478460828490 is an abundant number, since it is smaller than the sum of its proper divisors (675674138550).

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

478460828490 is a wasteful number, since it uses less digits than its factorization.

478460828490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80958046.

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 478460828490 in words is "four hundred seventy-eight billion, four hundred sixty million, eight hundred twenty-eight thousand, four hundred ninety".