40442311 has 8 divisors (see below), whose sum is σ = 49775264. Its totient is φ = 31998240.

The previous prime is 40442273. The next prime is 40442323. The reversal of 40442311 is 11324404.

40442311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40442311 - 2⁷ = 40442183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442341) 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 7 ways as a sum of consecutive naturals, for example, 222120 + ... + 222301.

It is an arithmetic number, because the mean of its divisors is an integer number (6221908).

Almost surely, 2^40442311 is an apocalyptic number.

40442311 is a deficient number, since it is larger than the sum of its proper divisors (9332953).

40442311 is a wasteful number, since it uses less digits than its factorization.

40442311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444441.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40442311 is about 6359.4269395913. The cubic root of 40442311 is about 343.2511399270.

Adding to 40442311 its reverse (11324404), we get a palindrome (51766715).

The spelling of 40442311 in words is "forty million, four hundred forty-two thousand, three hundred eleven".