38518859052 has 72 divisors (see below), whose sum is σ = 99011792880. Its totient is φ = 12624543360.

The previous prime is 38518858933. The next prime is 38518859077. The reversal of 38518859052 is 25095881583.

It is a happy number.

38518859052 is a `hidden beast` number, since 38 + 5 + 18 + 8 + 590 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 38518859052.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476578 + ... + 551510.

It is an arithmetic number, because the mean of its divisors is an integer number (1375163790).

Almost surely, 2^38518859052 is an apocalyptic number.

It is an amenable number.

38518859052 is an abundant number, since it is smaller than the sum of its proper divisors (60492933828).

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

38518859052 is a wasteful number, since it uses less digits than its factorization.

38518859052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75183 (or 75178 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 54.

The spelling of 38518859052 in words is "thirty-eight billion, five hundred eighteen million, eight hundred fifty-nine thousand, fifty-two".