4012440142157 has 2 divisors, whose sum is σ = 4012440142158. Its totient is φ = 4012440142156.

The previous prime is 4012440142127. The next prime is 4012440142231. The reversal of 4012440142157 is 7512410442104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3888038619721 + 124401522436 = 1971811^2 + 352706^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012440142157 - 2⁶ = 4012440142093 is a prime.

It is a super-2 number, since 2×4012440142157² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012440142127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006220071078 + 2006220071079.

It is an arithmetic number, because the mean of its divisors is an integer number (2006220071079).

Almost surely, 2^{4012440142157} is an apocalyptic number.

It is an amenable number.

4012440142157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012440142157 is an equidigital number, since it uses as much as digits as its factorization.

4012440142157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 4012440142157 in words is "four trillion, twelve billion, four hundred forty million, one hundred forty-two thousand, one hundred fifty-seven".