38855389860 has 144 divisors (see below), whose sum is σ = 137447856000. Its totient is φ = 8881217856.

The previous prime is 38855389819. The next prime is 38855389877. The reversal of 38855389860 is 6898355883.

38855389860 is a `hidden beast` number, since 3 + 8 + 8 + 5 + 538 + 98 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252930 + ... + 376409.

It is an arithmetic number, because the mean of its divisors is an integer number (954499000).

Almost surely, 2^38855389860 is an apocalyptic number.

38855389860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38855389860 is an abundant number, since it is smaller than the sum of its proper divisors (98592466140).

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

38855389860 is a wasteful number, since it uses less digits than its factorization.

38855389860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629375 (or 629356 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 38855389860 in words is "thirty-eight billion, eight hundred fifty-five million, three hundred eighty-nine thousand, eight hundred sixty".