40015614642427 has 2 divisors, whose sum is σ = 40015614642428. Its totient is φ = 40015614642426.

The previous prime is 40015614642257. The next prime is 40015614642617. The reversal of 40015614642427 is 72424641651004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40015614642427 is a prime.

It is a super-2 number, since 2×40015614642427² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40015614652427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007807321213 + 20007807321214.

It is an arithmetic number, because the mean of its divisors is an integer number (20007807321214).

Almost surely, 2^{40015614642427} is an apocalyptic number.

40015614642427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40015614642427 is an equidigital number, since it uses as much as digits as its factorization.

40015614642427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 40015614642427 in words is "forty trillion, fifteen billion, six hundred fourteen million, six hundred forty-two thousand, four hundred twenty-seven".