40140024313 has 4 divisors (see below), whose sum is σ = 40140432208. Its totient is φ = 40139616420.

The previous prime is 40140024293. The next prime is 40140024343. The reversal of 40140024313 is 31342004104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40140024313 is a prime.

It is a super-2 number, since 2×40140024313² (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 (40140024343) 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, 44770 + ... + 286852.

It is an arithmetic number, because the mean of its divisors is an integer number (10035108052).

Almost surely, 2^40140024313 is an apocalyptic number.

It is an amenable number.

40140024313 is a deficient number, since it is larger than the sum of its proper divisors (407895).

40140024313 is a wasteful number, since it uses less digits than its factorization.

40140024313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407894.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40140024313 its reverse (31342004104), we get a palindrome (71482028417).

The spelling of 40140024313 in words is "forty billion, one hundred forty million, twenty-four thousand, three hundred thirteen".