40313432243 has 24 divisors (see below), whose sum is σ = 47379727872. Its totient is φ = 34198002384.

The previous prime is 40313432227. The next prime is 40313432261. The reversal of 40313432243 is 34223431304.

40313432243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40313432243 - 2⁴ = 40313432227 is a prime.

It is a super-2 number, since 2×40313432243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40313432543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6409046 + ... + 6415332.

It is an arithmetic number, because the mean of its divisors is an integer number (1974155328).

Almost surely, 2^40313432243 is an apocalyptic number.

40313432243 is a deficient number, since it is larger than the sum of its proper divisors (7066295629).

40313432243 is a wasteful number, since it uses less digits than its factorization.

40313432243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631 (or 7624 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 40313432243 its reverse (34223431304), we get a palindrome (74536863547).

The spelling of 40313432243 in words is "forty billion, three hundred thirteen million, four hundred thirty-two thousand, two hundred forty-three".