40015614642617 has 2 divisors, whose sum is σ = 40015614642618. Its totient is φ = 40015614642616.

The previous prime is 40015614642427. The next prime is 40015614642701. The reversal of 40015614642617 is 71624641651004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39645395938681 + 370218703936 = 6296459^2 + 608456^2 .

It is a cyclic number.

It is not a de Polignac number, because 40015614642617 - 2¹⁰ = 40015614641593 is a prime.

It is not a weakly prime, because it can be changed into another prime (40015614842617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007807321308 + 20007807321309.

It is an arithmetic number, because the mean of its divisors is an integer number (20007807321309).

Almost surely, 2^{40015614642617} is an apocalyptic number.

It is an amenable number.

40015614642617 is a deficient number, since it is larger than the sum of its proper divisors (1).

40015614642617 is an equidigital number, since it uses as much as digits as its factorization.

40015614642617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 40015614642617 in words is "forty trillion, fifteen billion, six hundred fourteen million, six hundred forty-two thousand, six hundred seventeen".