38401099198 has 48 divisors (see below), whose sum is σ = 73247338368. Its totient is φ = 14930790000.

The previous prime is 38401099193. The next prime is 38401099199. The reversal of 38401099198 is 89199010483.

38401099198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38401099198² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38401099193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493023 + ... + 565573.

It is an arithmetic number, because the mean of its divisors is an integer number (1525986216).

Almost surely, 2^38401099198 is an apocalyptic number.

38401099198 is a deficient number, since it is larger than the sum of its proper divisors (34846239170).

38401099198 is a wasteful number, since it uses less digits than its factorization.

38401099198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73069 (or 73062 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 38401099198 in words is "thirty-eight billion, four hundred one million, ninety-nine thousand, one hundred ninety-eight".