40366899 has 6 divisors (see below), whose sum is σ = 58307756. Its totient is φ = 26911260.

The previous prime is 40366873. The next prime is 40366901. The reversal of 40366899 is 99866304.

It is not a de Polignac number, because 40366899 - 2⁸ = 40366643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40366829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2242597 + ... + 2242614.

Almost surely, 2^40366899 is an apocalyptic number.

40366899 is a deficient number, since it is larger than the sum of its proper divisors (17940857).

40366899 is a wasteful number, since it uses less digits than its factorization.

40366899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485217 (or 4485214 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 40366899 is about 6353.4950224266. The cubic root of 40366899 is about 343.0376559111.

The spelling of 40366899 in words is "forty million, three hundred sixty-six thousand, eight hundred ninety-nine".