504847860138 has 64 divisors (see below), whose sum is σ = 1126047312000. Its totient is φ = 167659269120.

The previous prime is 504847860043. The next prime is 504847860161. The reversal of 504847860138 is 831068748405.

504847860138 is a `hidden beast` number, since 5 + 0 + 484 + 78 + 60 + 1 + 38 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16738920 + ... + 16769052.

It is an arithmetic number, because the mean of its divisors is an integer number (17594489250).

Almost surely, 2^504847860138 is an apocalyptic number.

504847860138 is an abundant number, since it is smaller than the sum of its proper divisors (621199451862).

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

504847860138 is a wasteful number, since it uses less digits than its factorization.

504847860138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31284 (or 31278 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 504847860138 in words is "five hundred four billion, eight hundred forty-seven million, eight hundred sixty thousand, one hundred thirty-eight".