40663448658031 has 2 divisors, whose sum is σ = 40663448658032. Its totient is φ = 40663448658030.

The previous prime is 40663448657941. The next prime is 40663448658059. The reversal of 40663448658031 is 13085684436604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40663448658031 - 2¹³ = 40663448649839 is a prime.

It is a super-2 number, since 2×40663448658031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40663448158031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20331724329015 + 20331724329016.

It is an arithmetic number, because the mean of its divisors is an integer number (20331724329016).

Almost surely, 2^{40663448658031} is an apocalyptic number.

40663448658031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40663448658031 is an equidigital number, since it uses as much as digits as its factorization.

40663448658031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39813120, while the sum is 58.

The spelling of 40663448658031 in words is "forty trillion, six hundred sixty-three billion, four hundred forty-eight million, six hundred fifty-eight thousand, thirty-one".