40033799 has 4 divisors (see below), whose sum is σ = 43113336. Its totient is φ = 36954264.

The previous prime is 40033781. The next prime is 40033811. The reversal of 40033799 is 99733004.

40033799 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 40033799 - 2¹⁶ = 39968263 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40033739) 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, 1539749 + ... + 1539774.

It is an arithmetic number, because the mean of its divisors is an integer number (10778334).

Almost surely, 2^40033799 is an apocalyptic number.

40033799 is a deficient number, since it is larger than the sum of its proper divisors (3079537).

40033799 is a wasteful number, since it uses less digits than its factorization.

40033799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079536.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 40033799 is about 6327.2268016881. The cubic root of 40033799 is about 342.0914880121.

The spelling of 40033799 in words is "forty million, thirty-three thousand, seven hundred ninety-nine".