40243600634 has 32 divisors (see below), whose sum is σ = 64389461760. Its totient is φ = 18836549568.

The previous prime is 40243600609. The next prime is 40243600679. The reversal of 40243600634 is 43600634204.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40243600634.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107144 + ... + 303260.

It is an arithmetic number, because the mean of its divisors is an integer number (2012170680).

Almost surely, 2^40243600634 is an apocalyptic number.

40243600634 is a deficient number, since it is larger than the sum of its proper divisors (24145861126).

40243600634 is a wasteful number, since it uses less digits than its factorization.

40243600634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196262.

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 40243600634 in words is "forty billion, two hundred forty-three million, six hundred thousand, six hundred thirty-four".