38208468818 has 64 divisors (see below), whose sum is σ = 64041207552. Its totient is φ = 16985928960.

The previous prime is 38208468709. The next prime is 38208468887. The reversal of 38208468818 is 81886480283.

It is a happy number.

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, 38868755 + ... + 38869737.

It is an arithmetic number, because the mean of its divisors is an integer number (1000643868).

Almost surely, 2^38208468818 is an apocalyptic number.

38208468818 is a deficient number, since it is larger than the sum of its proper divisors (25832738734).

38208468818 is a wasteful number, since it uses less digits than its factorization.

38208468818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 4718592, while the sum is 56.

The spelling of 38208468818 in words is "thirty-eight billion, two hundred eight million, four hundred sixty-eight thousand, eight hundred eighteen".