40010657721823 has 2 divisors, whose sum is σ = 40010657721824. Its totient is φ = 40010657721822.

The previous prime is 40010657721703. The next prime is 40010657721877. The reversal of 40010657721823 is 32812775601004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40010657721823 - 2²⁵ = 40010624167391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40010657721893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005328860911 + 20005328860912.

It is an arithmetic number, because the mean of its divisors is an integer number (20005328860912).

Almost surely, 2^{40010657721823} is an apocalyptic number.

40010657721823 is a deficient number, since it is larger than the sum of its proper divisors (1).

40010657721823 is an equidigital number, since it uses as much as digits as its factorization.

40010657721823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 40010657721823 in words is "forty trillion, ten billion, six hundred fifty-seven million, seven hundred twenty-one thousand, eight hundred twenty-three".