40450142039 has 2 divisors, whose sum is σ = 40450142040. Its totient is φ = 40450142038.

The previous prime is 40450142009. The next prime is 40450142143. The reversal of 40450142039 is 93024105404.

40450142039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40450142039 - 2²⁴ = 40433364823 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 40450141996 and 40450142014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40450142009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225071019 + 20225071020.

It is an arithmetic number, because the mean of its divisors is an integer number (20225071020).

Almost surely, 2^40450142039 is an apocalyptic number.

40450142039 is a deficient number, since it is larger than the sum of its proper divisors (1).

40450142039 is an equidigital number, since it uses as much as digits as its factorization.

40450142039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 40450142039 in words is "forty billion, four hundred fifty million, one hundred forty-two thousand, thirty-nine".