40035521756423 has 2 divisors, whose sum is σ = 40035521756424. Its totient is φ = 40035521756422.

The previous prime is 40035521756411. The next prime is 40035521756429. The reversal of 40035521756423 is 32465712553004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40035521756423 - 2⁴ = 40035521756407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40035521756429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017760878211 + 20017760878212.

It is an arithmetic number, because the mean of its divisors is an integer number (20017760878212).

Almost surely, 2^{40035521756423} is an apocalyptic number.

40035521756423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40035521756423 is an equidigital number, since it uses as much as digits as its factorization.

40035521756423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 40035521756423 in words is "forty trillion, thirty-five billion, five hundred twenty-one million, seven hundred fifty-six thousand, four hundred twenty-three".