40014142387 has 2 divisors, whose sum is σ = 40014142388. Its totient is φ = 40014142386.

The previous prime is 40014142373. The next prime is 40014142391. The reversal of 40014142387 is 78324141004.

It is a happy number.

40014142387 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 a de Polignac number, because none of the positive numbers 2^k-40014142387 is a prime.

It is a super-2 number, since 2×40014142387² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40014142187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007071193 + 20007071194.

It is an arithmetic number, because the mean of its divisors is an integer number (20007071194).

Almost surely, 2^40014142387 is an apocalyptic number.

40014142387 is a deficient number, since it is larger than the sum of its proper divisors (1).

40014142387 is an equidigital number, since it uses as much as digits as its factorization.

40014142387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 40014142387 in words is "forty billion, fourteen million, one hundred forty-two thousand, three hundred eighty-seven".