38394159198 has 16 divisors (see below), whose sum is σ = 77050398096. Its totient is φ = 12754373120.

The previous prime is 38394159191. The next prime is 38394159217. The reversal of 38394159198 is 89195149383.

It is a super-2 number, since 2×38394159198² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38394159191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10918083 + ... + 10921598.

It is an arithmetic number, because the mean of its divisors is an integer number (4815649881).

Almost surely, 2^38394159198 is an apocalyptic number.

38394159198 is an abundant number, since it is smaller than the sum of its proper divisors (38656238898).

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

38394159198 is a wasteful number, since it uses less digits than its factorization.

38394159198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21839979.

The product of its digits is 8398080, while the sum is 60.

The spelling of 38394159198 in words is "thirty-eight billion, three hundred ninety-four million, one hundred fifty-nine thousand, one hundred ninety-eight".