38181820204 has 12 divisors (see below), whose sum is σ = 72892565928. Its totient is φ = 17355372800.

The previous prime is 38181820169. The next prime is 38181820211. The reversal of 38181820204 is 40202818183.

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 3 ways as a sum of consecutive naturals, for example, 433884277 + ... + 433884364.

It is an arithmetic number, because the mean of its divisors is an integer number (6074380494).

Almost surely, 2^38181820204 is an apocalyptic number.

It is an amenable number.

38181820204 is a deficient number, since it is larger than the sum of its proper divisors (34710745724).

38181820204 is a wasteful number, since it uses less digits than its factorization.

38181820204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867768656 (or 867768654 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The spelling of 38181820204 in words is "thirty-eight billion, one hundred eighty-one million, eight hundred twenty thousand, two hundred four".