40850081591 has 8 divisors (see below), whose sum is σ = 44567107200. Its totient is φ = 37133619640.

The previous prime is 40850081563. The next prime is 40850081593. The reversal of 40850081591 is 19518005804.

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 40850081591 - 2⁶ = 40850081527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40850081593) 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 in 7 ways as a sum of consecutive naturals, for example, 18470 + ... + 286428.

It is an arithmetic number, because the mean of its divisors is an integer number (5570888400).

Almost surely, 2^40850081591 is an apocalyptic number.

40850081591 is a deficient number, since it is larger than the sum of its proper divisors (3717025609).

40850081591 is a wasteful number, since it uses less digits than its factorization.

40850081591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281829.

The product of its (nonzero) digits is 57600, while the sum is 41.

The spelling of 40850081591 in words is "forty billion, eight hundred fifty million, eighty-one thousand, five hundred ninety-one".