40323302344 has 32 divisors (see below), whose sum is σ = 81435465720. Its totient is φ = 18607689216.

The previous prime is 40323302321. The next prime is 40323302347. The reversal of 40323302344 is 44320332304.

It can be written as a sum of positive squares in 4 ways, for example, as 13439764900 + 26883537444 = 115930^2 + 163962^2 .

It is a super-4 number, since 4×40323302344⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (40323302347) 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 7 ways as a sum of consecutive naturals, for example, 677934 + ... + 735010.

Almost surely, 2^40323302344 is an apocalyptic number.

It is an amenable number.

40323302344 is an abundant number, since it is smaller than the sum of its proper divisors (41112163376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40323302344 is a wasteful number, since it uses less digits than its factorization.

40323302344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63889 (or 63885 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 40323302344 its reverse (44320332304), we get a palindrome (84643634648).

The spelling of 40323302344 in words is "forty billion, three hundred twenty-three million, three hundred two thousand, three hundred forty-four".