40027057726 has 4 divisors (see below), whose sum is σ = 60040586592. Its totient is φ = 20013528862.

The previous prime is 40027057723. The next prime is 40027057747. The reversal of 40027057726 is 62775072004.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40027057723) by changing a digit.

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 as a sum of consecutive naturals, namely, 10006764430 + ... + 10006764433.

It is an arithmetic number, because the mean of its divisors is an integer number (15010146648).

Almost surely, 2^40027057726 is an apocalyptic number.

40027057726 is a deficient number, since it is larger than the sum of its proper divisors (20013528866).

40027057726 is a wasteful number, since it uses less digits than its factorization.

40027057726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20013528865.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 40027057726 in words is "forty billion, twenty-seven million, fifty-seven thousand, seven hundred twenty-six".