40113898 has 16 divisors (see below), whose sum is σ = 66881376. Its totient is φ = 17889040.

The previous prime is 40113893. The next prime is 40113911. The reversal of 40113898 is 89831104.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40113893) 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, 16036 + ... + 18367.

It is an arithmetic number, because the mean of its divisors is an integer number (4180086).

Almost surely, 2^40113898 is an apocalyptic number.

40113898 is a deficient number, since it is larger than the sum of its proper divisors (26767478).

40113898 is a wasteful number, since it uses less digits than its factorization.

40113898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34469.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 40113898 is about 6333.5533470557. The cubic root of 40113898 is about 342.3194864572.

The spelling of 40113898 in words is "forty million, one hundred thirteen thousand, eight hundred ninety-eight".