38490590198 has 8 divisors (see below), whose sum is σ = 57867403440. Its totient is φ = 19201455720.

The previous prime is 38490590197. The next prime is 38490590213. The reversal of 38490590198 is 89109509483.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38490590197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21918593 + ... + 21920348.

It is an arithmetic number, because the mean of its divisors is an integer number (7233425430).

Almost surely, 2^38490590198 is an apocalyptic number.

38490590198 is a deficient number, since it is larger than the sum of its proper divisors (19376813242).

38490590198 is a wasteful number, since it uses less digits than its factorization.

38490590198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43839382.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 38490590198 in words is "thirty-eight billion, four hundred ninety million, five hundred ninety thousand, one hundred ninety-eight".