8440198101 has 12 divisors (see below), whose sum is σ = 12450789312. Its totient is φ = 5507079336.

The previous prime is 8440198093. The next prime is 8440198103. The reversal of 8440198101 is 1018910448.

It is not a de Polignac number, because 8440198101 - 2³ = 8440198093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8440198103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9976171 + ... + 9977016.

It is an arithmetic number, because the mean of its divisors is an integer number (1037565776).

Almost surely, 2^8440198101 is an apocalyptic number.

It is an amenable number.

8440198101 is a deficient number, since it is larger than the sum of its proper divisors (4010591211).

8440198101 is a wasteful number, since it uses less digits than its factorization.

8440198101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19953240 (or 19953237 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 8440198101 is about 91870.5507820651. The cubic root of 8440198101 is about 2036.0301899979.

The spelling of 8440198101 in words is "eight billion, four hundred forty million, one hundred ninety-eight thousand, one hundred one".