40344003231 has 32 divisors (see below), whose sum is σ = 64187655168. Its totient is φ = 22038255360.

The previous prime is 40344003221. The next prime is 40344003241. The reversal of 40344003231 is 13230044304.

It is an interprime number because it is at equal distance from previous prime (40344003221) and next prime (40344003241).

It is not a de Polignac number, because 40344003231 - 2⁹ = 40344002719 is a prime.

It is a super-2 number, since 2×40344003231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344003211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816915 + ... + 864891.

It is an arithmetic number, because the mean of its divisors is an integer number (2005864224).

Almost surely, 2^40344003231 is an apocalyptic number.

40344003231 is a deficient number, since it is larger than the sum of its proper divisors (23843651937).

40344003231 is a wasteful number, since it uses less digits than its factorization.

40344003231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49751.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40344003231 its reverse (13230044304), we get a palindrome (53574047535).

The spelling of 40344003231 in words is "forty billion, three hundred forty-four million, three thousand, two hundred thirty-one".