40140342103 has 2 divisors, whose sum is σ = 40140342104. Its totient is φ = 40140342102.

The previous prime is 40140342089. The next prime is 40140342131. The reversal of 40140342103 is 30124304104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40140342103 is a prime.

It is a super-2 number, since 2×40140342103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40140340103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20070171051 + 20070171052.

It is an arithmetic number, because the mean of its divisors is an integer number (20070171052).

Almost surely, 2^40140342103 is an apocalyptic number.

40140342103 is a deficient number, since it is larger than the sum of its proper divisors (1).

40140342103 is an equidigital number, since it uses as much as digits as its factorization.

40140342103 is an evil number, because the sum of its binary digits is even.

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

Adding to 40140342103 its reverse (30124304104), we get a palindrome (70264646207).

The spelling of 40140342103 in words is "forty billion, one hundred forty million, three hundred forty-two thousand, one hundred three".