40322312344 has 16 divisors (see below), whose sum is σ = 75783924720. Its totient is φ = 20113265760.

The previous prime is 40322312309. The next prime is 40322312347. The reversal of 40322312344 is 44321322304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40322312347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5982724 + ... + 5989459.

It is an arithmetic number, because the mean of its divisors is an integer number (4736495295).

Almost surely, 2^40322312344 is an apocalyptic number.

It is an amenable number.

40322312344 is a deficient number, since it is larger than the sum of its proper divisors (35461612376).

40322312344 is a wasteful number, since it uses less digits than its factorization.

40322312344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11972610 (or 11972606 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40322312344 its reverse (44321322304), we get a palindrome (84643634648).

The spelling of 40322312344 in words is "forty billion, three hundred twenty-two million, three hundred twelve thousand, three hundred forty-four".