478163536250 has 40 divisors (see below), whose sum is σ = 902285316900. Its totient is φ = 189981680000.

The previous prime is 478163536243. The next prime is 478163536327. The reversal of 478163536250 is 52635361874.

It can be written as a sum of positive squares in 10 ways, for example, as 193998845209 + 284164691041 = 440453^2 + 533071^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 1097411 + ... + 1469910.

Almost surely, 2^478163536250 is an apocalyptic number.

478163536250 is a deficient number, since it is larger than the sum of its proper divisors (424121780650).

478163536250 is a wasteful number, since it uses less digits than its factorization.

478163536250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567492 (or 2567477 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 478163536250 in words is "four hundred seventy-eight billion, one hundred sixty-three million, five hundred thirty-six thousand, two hundred fifty".