40198835 has 16 divisors (see below), whose sum is σ = 49838976. Its totient is φ = 31102848.

The previous prime is 40198831. The next prime is 40198841. The reversal of 40198835 is 53889104.

40198835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40198835 - 2² = 40198831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40198831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35894 + ... + 36996.

It is an arithmetic number, because the mean of its divisors is an integer number (3114936).

Almost surely, 2^40198835 is an apocalyptic number.

40198835 is a deficient number, since it is larger than the sum of its proper divisors (9640141).

40198835 is a wasteful number, since it uses less digits than its factorization.

40198835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 40198835 is about 6340.2551210499. The cubic root of 40198835 is about 342.5609247472.

The spelling of 40198835 in words is "forty million, one hundred ninety-eight thousand, eight hundred thirty-five".