40312344304443 has 16 divisors (see below), whose sum is σ = 55289973729536. Its totient is φ = 26107107757920.

The previous prime is 40312344304417. The next prime is 40312344304457. The reversal of 40312344304443 is 34440344321304.

It is not a de Polignac number, because 40312344304443 - 2¹⁰ = 40312344303419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40312344304493) 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, 287706721 + ... + 287846802.

It is an arithmetic number, because the mean of its divisors is an integer number (3455623358096).

Almost surely, 2^{40312344304443} is an apocalyptic number.

40312344304443 is a deficient number, since it is larger than the sum of its proper divisors (14977629425093).

40312344304443 is a wasteful number, since it uses less digits than its factorization.

40312344304443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575554194.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 40312344304443 its reverse (34440344321304), we get a palindrome (74752688625747).

The spelling of 40312344304443 in words is "forty trillion, three hundred twelve billion, three hundred forty-four million, three hundred four thousand, four hundred forty-three".