40468568983 has 4 divisors (see below), whose sum is σ = 40481588680. Its totient is φ = 40455549288.

The previous prime is 40468568971. The next prime is 40468568999. The reversal of 40468568983 is 38986586404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40468568983 - 2²¹ = 40466471831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40468568963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6505185 + ... + 6511402.

It is an arithmetic number, because the mean of its divisors is an integer number (10120397170).

Almost surely, 2^40468568983 is an apocalyptic number.

40468568983 is a deficient number, since it is larger than the sum of its proper divisors (13019697).

40468568983 is a wasteful number, since it uses less digits than its factorization.

40468568983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13019696.

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 40468568983 in words is "forty billion, four hundred sixty-eight million, five hundred sixty-eight thousand, nine hundred eighty-three".