40635253063605 has 64 divisors (see below), whose sum is σ = 67913617195008. Its totient is φ = 20723953697280.

The previous prime is 40635253063541. The next prime is 40635253063609. The reversal of 40635253063605 is 50636035253604.

It is a happy number.

It is not a de Polignac number, because 40635253063605 - 2⁶ = 40635253063541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40635253063609) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20959762 + ... + 22816268.

It is an arithmetic number, because the mean of its divisors is an integer number (1061150268672).

Almost surely, 2^{40635253063605} is an apocalyptic number.

It is an amenable number.

40635253063605 is a deficient number, since it is larger than the sum of its proper divisors (27278364131403).

40635253063605 is a wasteful number, since it uses less digits than its factorization.

40635253063605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857106.

The product of its (nonzero) digits is 5832000, while the sum is 48.

The spelling of 40635253063605 in words is "forty trillion, six hundred thirty-five billion, two hundred fifty-three million, sixty-three thousand, six hundred five".