40396199 has 4 divisors (see below), whose sum is σ = 42772464. Its totient is φ = 38019936.

The previous prime is 40396177. The next prime is 40396219. The reversal of 40396199 is 99169304.

40396199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40396199 - 2¹⁶ = 40330663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40396129) 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 3 ways as a sum of consecutive naturals, for example, 1188107 + ... + 1188140.

It is an arithmetic number, because the mean of its divisors is an integer number (10693116).

Almost surely, 2^40396199 is an apocalyptic number.

40396199 is a deficient number, since it is larger than the sum of its proper divisors (2376265).

40396199 is a wasteful number, since it uses less digits than its factorization.

40396199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376264.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 40396199 is about 6355.8004216621. The cubic root of 40396199 is about 343.1206329107.

The spelling of 40396199 in words is "forty million, three hundred ninety-six thousand, one hundred ninety-nine".