478504478044 has 12 divisors (see below), whose sum is σ = 864395186368. Its totient is φ = 231534424800.

The previous prime is 478504478021. The next prime is 478504478083. The reversal of 478504478044 is 440874405874.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929453417 + ... + 1929453664.

Almost surely, 2^478504478044 is an apocalyptic number.

It is an amenable number.

478504478044 is a deficient number, since it is larger than the sum of its proper divisors (385890708324).

478504478044 is a wasteful number, since it uses less digits than its factorization.

478504478044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858907116 (or 3858907114 counting only the distinct ones).

The product of its (nonzero) digits is 16056320, while the sum is 55.

The spelling of 478504478044 in words is "four hundred seventy-eight billion, five hundred four million, four hundred seventy-eight thousand, forty-four".