40344431303303 has 16 divisors (see below), whose sum is σ = 41350728849696. Its totient is φ = 39351029852160.

The previous prime is 40344431303291. The next prime is 40344431303311. The reversal of 40344431303303 is 30330313444304.

It is a cyclic number.

It is not a de Polignac number, because 40344431303303 - 2²⁸ = 40344162867847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344431333303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6934925 + ... + 11348217.

It is an arithmetic number, because the mean of its divisors is an integer number (2584420553106).

Almost surely, 2^{40344431303303} is an apocalyptic number.

40344431303303 is a deficient number, since it is larger than the sum of its proper divisors (1006297546393).

40344431303303 is a wasteful number, since it uses less digits than its factorization.

40344431303303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414754.

The product of its (nonzero) digits is 186624, while the sum is 35.

Adding to 40344431303303 its reverse (30330313444304), we get a palindrome (70674744747607).

The spelling of 40344431303303 in words is "forty trillion, three hundred forty-four billion, four hundred thirty-one million, three hundred three thousand, three hundred three".