40122742131 has 12 divisors (see below), whose sum is σ = 58905155920. Its totient is φ = 26309994480.

The previous prime is 40122742123. The next prime is 40122742139. The reversal of 40122742131 is 13124722104.

40122742131 is a `hidden beast` number, since 401 + 227 + 4 + 2 + 1 + 31 = 666.

40122742131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40122742123) and next prime (40122742139).

It is not a de Polignac number, because 40122742131 - 2³ = 40122742123 is a prime.

It is a super-2 number, since 2×40122742131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40122742095 and 40122742104.

It is not an unprimeable number, because it can be changed into a prime (40122742139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36541111 + ... + 36542208.

Almost surely, 2^40122742131 is an apocalyptic number.

40122742131 is a deficient number, since it is larger than the sum of its proper divisors (18782413789).

40122742131 is a wasteful number, since it uses less digits than its factorization.

40122742131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73083386 (or 73083383 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 40122742131 in words is "forty billion, one hundred twenty-two million, seven hundred forty-two thousand, one hundred thirty-one".