40442799 has 8 divisors (see below), whose sum is σ = 54047232. Its totient is φ = 26900120.

The previous prime is 40442797. The next prime is 40442819. The reversal of 40442799 is 99724404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40442799 - 2¹ = 40442797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442797) 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, 13887 + ... + 16544.

It is an arithmetic number, because the mean of its divisors is an integer number (6755904).

Almost surely, 2^40442799 is an apocalyptic number.

40442799 is a deficient number, since it is larger than the sum of its proper divisors (13604433).

40442799 is a wasteful number, since it uses less digits than its factorization.

40442799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30877.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 40442799 is about 6359.4653077126. The cubic root of 40442799 is about 343.2525205429.

The spelling of 40442799 in words is "forty million, four hundred forty-two thousand, seven hundred ninety-nine".