40002344 has 16 divisors (see below), whose sum is σ = 75484500. Its totient is φ = 19873152.

The previous prime is 40002337. The next prime is 40002367. The reversal of 40002344 is 44320004.

It can be written as a sum of positive squares in 2 ways, for example, as 39564100 + 438244 = 6290^2 + 662^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14669 + ... + 17180.

Almost surely, 2^40002344 is an apocalyptic number.

It is an amenable number.

40002344 is a deficient number, since it is larger than the sum of its proper divisors (35482156).

40002344 is a wasteful number, since it uses less digits than its factorization.

40002344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32012 (or 32008 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40002344 is about 6324.7406270929. The cubic root of 40002344 is about 342.0018695109.

Adding to 40002344 its reverse (44320004), we get a palindrome (84322348).

The spelling of 40002344 in words is "forty million, two thousand, three hundred forty-four".