38554556818 has 8 divisors (see below), whose sum is σ = 57832676748. Its totient is φ = 19276997904.

The previous prime is 38554556809. The next prime is 38554556903. The reversal of 38554556818 is 81865545583.

38554556818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38461877689 + 92679129 = 196117^2 + 9627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 160780 + ... + 320872.

Almost surely, 2^38554556818 is an apocalyptic number.

38554556818 is a deficient number, since it is larger than the sum of its proper divisors (19278119930).

38554556818 is a wasteful number, since it uses less digits than its factorization.

38554556818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280508.

The product of its digits is 23040000, while the sum is 58.

The spelling of 38554556818 in words is "thirty-eight billion, five hundred fifty-four million, five hundred fifty-six thousand, eight hundred eighteen".