40427215140287 has 2 divisors, whose sum is σ = 40427215140288. Its totient is φ = 40427215140286.

The previous prime is 40427215140217. The next prime is 40427215140311. The reversal of 40427215140287 is 78204151272404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40427215140287 - 2⁸ = 40427215140031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40427215140217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20213607570143 + 20213607570144.

It is an arithmetic number, because the mean of its divisors is an integer number (20213607570144).

Almost surely, 2^{40427215140287} is an apocalyptic number.

40427215140287 is a deficient number, since it is larger than the sum of its proper divisors (1).

40427215140287 is an equidigital number, since it uses as much as digits as its factorization.

40427215140287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1003520, while the sum is 47.

The spelling of 40427215140287 in words is "forty trillion, four hundred twenty-seven billion, two hundred fifteen million, one hundred forty thousand, two hundred eighty-seven".