40138041883 has 2 divisors, whose sum is σ = 40138041884. Its totient is φ = 40138041882.

The previous prime is 40138041869. The next prime is 40138041887. The reversal of 40138041883 is 38814083104.

40138041883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40138041883 - 2⁵ = 40138041851 is a prime.

It is a super-2 number, since 2×40138041883² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40138041887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20069020941 + 20069020942.

It is an arithmetic number, because the mean of its divisors is an integer number (20069020942).

Almost surely, 2^40138041883 is an apocalyptic number.

40138041883 is a deficient number, since it is larger than the sum of its proper divisors (1).

40138041883 is an equidigital number, since it uses as much as digits as its factorization.

40138041883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 40138041883 in words is "forty billion, one hundred thirty-eight million, forty-one thousand, eight hundred eighty-three".