40198116 has 48 divisors (see below), whose sum is σ = 109025280. Its totient is φ = 11289120.

The previous prime is 40198111. The next prime is 40198117. The reversal of 40198116 is 61189104.

It is not an unprimeable number, because it can be changed into a prime (40198111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901 + ... + 9011.

It is an arithmetic number, because the mean of its divisors is an integer number (2271360).

Almost surely, 2^40198116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40198116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54512640).

40198116 is an abundant number, since it is smaller than the sum of its proper divisors (68827164).

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

40198116 is a wasteful number, since it uses less digits than its factorization.

40198116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184 (or 8182 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 40198116 is about 6340.1984196080. The cubic root of 40198116 is about 342.5588823764.

The spelling of 40198116 in words is "forty million, one hundred ninety-eight thousand, one hundred sixteen".