40568363968 has 56 divisors (see below), whose sum is σ = 89058317184. Its totient is φ = 18180422400.

The previous prime is 40568363963. The next prime is 40568364017. The reversal of 40568363968 is 86936386504.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40568363963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355830 + ... + 455797.

Almost surely, 2^40568363968 is an apocalyptic number.

It is an amenable number.

40568363968 is an abundant number, since it is smaller than the sum of its proper divisors (48489953216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40568363968 is a wasteful number, since it uses less digits than its factorization.

40568363968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811721 (or 811711 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 40568363968 in words is "forty billion, five hundred sixty-eight million, three hundred sixty-three thousand, nine hundred sixty-eight".