40026735401231 has 2 divisors, whose sum is σ = 40026735401232. Its totient is φ = 40026735401230.

The previous prime is 40026735401209. The next prime is 40026735401243. The reversal of 40026735401231 is 13210453762004.

40026735401231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40026735401231 is a prime.

It is a super-2 number, since 2×40026735401231² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40026735401201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20013367700615 + 20013367700616.

It is an arithmetic number, because the mean of its divisors is an integer number (20013367700616).

Almost surely, 2^{40026735401231} is an apocalyptic number.

40026735401231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40026735401231 is an equidigital number, since it uses as much as digits as its factorization.

40026735401231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 40026735401231 in words is "forty trillion, twenty-six billion, seven hundred thirty-five million, four hundred one thousand, two hundred thirty-one".