40857183709 has 8 divisors (see below), whose sum is σ = 41950050912. Its totient is φ = 39770802960.

The previous prime is 40857183683. The next prime is 40857183721. The reversal of 40857183709 is 90738175804.

40857183709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40857183709 - 2²³ = 40848795101 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 (40857183779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608847 + ... + 1634044.

It is an arithmetic number, because the mean of its divisors is an integer number (5243756364).

Almost surely, 2^40857183709 is an apocalyptic number.

It is an amenable number.

40857183709 is a deficient number, since it is larger than the sum of its proper divisors (1092867203).

40857183709 is a wasteful number, since it uses less digits than its factorization.

40857183709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243227.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 40857183709 in words is "forty billion, eight hundred fifty-seven million, one hundred eighty-three thousand, seven hundred nine".