40120702663 has 2 divisors, whose sum is σ = 40120702664. Its totient is φ = 40120702662.

The previous prime is 40120702591. The next prime is 40120702693. The reversal of 40120702663 is 36620702104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40120702663 - 2²¹ = 40118605511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40120702693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060351331 + 20060351332.

It is an arithmetic number, because the mean of its divisors is an integer number (20060351332).

Almost surely, 2^40120702663 is an apocalyptic number.

40120702663 is a deficient number, since it is larger than the sum of its proper divisors (1).

40120702663 is an equidigital number, since it uses as much as digits as its factorization.

40120702663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 40120702663 in words is "forty billion, one hundred twenty million, seven hundred two thousand, six hundred sixty-three".