40145041427 has 2 divisors, whose sum is σ = 40145041428. Its totient is φ = 40145041426.

The previous prime is 40145041397. The next prime is 40145041451. The reversal of 40145041427 is 72414054104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40145041427 - 2¹⁶ = 40144975891 is a prime.

It is a super-2 number, since 2×40145041427² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40145041393 and 40145041402.

It is not a weakly prime, because it can be changed into another prime (40145041487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20072520713 + 20072520714.

It is an arithmetic number, because the mean of its divisors is an integer number (20072520714).

Almost surely, 2^40145041427 is an apocalyptic number.

40145041427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40145041427 is an equidigital number, since it uses as much as digits as its factorization.

40145041427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 40145041427 in words is "forty billion, one hundred forty-five million, forty-one thousand, four hundred twenty-seven".