40068561333824 has 28 divisors (see below), whose sum is σ = 79576064676864. Its totient is φ = 20017899368064.

The previous prime is 40068561333769. The next prime is 40068561333847. The reversal of 40068561333824 is 42833316586004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255878912 + ... + 256035455.

It is an arithmetic number, because the mean of its divisors is an integer number (2842002309888).

Almost surely, 2^{40068561333824} is an apocalyptic number.

It is an amenable number.

40068561333824 is a deficient number, since it is larger than the sum of its proper divisors (39507503343040).

40068561333824 is a wasteful number, since it uses less digits than its factorization.

40068561333824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511915602 (or 511915592 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 40068561333824 in words is "forty trillion, sixty-eight billion, five hundred sixty-one million, three hundred thirty-three thousand, eight hundred twenty-four".