40310344 has 8 divisors (see below), whose sum is σ = 75581910. Its totient is φ = 20155168.

The previous prime is 40310341. The next prime is 40310351. The reversal of 40310344 is 44301304.

It can be written as a sum of positive squares in only one way, i.e., 21734244 + 18576100 = 4662^2 + 4310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (40310341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2519389 + ... + 2519404.

Almost surely, 2^40310344 is an apocalyptic number.

It is an amenable number.

40310344 is a deficient number, since it is larger than the sum of its proper divisors (35271566).

40310344 is a wasteful number, since it uses less digits than its factorization.

40310344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038799 (or 5038795 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40310344 is about 6349.0427624958. The cubic root of 40310344 is about 342.8773796918.

Adding to 40310344 its reverse (44301304), we get a palindrome (84611648).

The spelling of 40310344 in words is "forty million, three hundred ten thousand, three hundred forty-four".