40857525859 has 8 divisors (see below), whose sum is σ = 41346832608. Its totient is φ = 40369881600.

The previous prime is 40857525851. The next prime is 40857525869. The reversal of 40857525859 is 95852575804.

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 40857525859 - 2³ = 40857525851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40857525851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366142 + ... + 464515.

It is an arithmetic number, because the mean of its divisors is an integer number (5168354076).

Almost surely, 2^40857525859 is an apocalyptic number.

40857525859 is a deficient number, since it is larger than the sum of its proper divisors (489306749).

40857525859 is a wasteful number, since it uses less digits than its factorization.

40857525859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831245.

The product of its (nonzero) digits is 20160000, while the sum is 58.

It can be divided in two parts, 408575 and 25859, that added together give a palindrome (434434).

The spelling of 40857525859 in words is "forty billion, eight hundred fifty-seven million, five hundred twenty-five thousand, eight hundred fifty-nine".