40845006089 has 12 divisors (see below), whose sum is σ = 43836324924. Its totient is φ = 38046019584.

The previous prime is 40845006061. The next prime is 40845006091. The reversal of 40845006089 is 98060054804.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4762104064 + 36082902025 = 69008^2 + 189955^2 .

It is not a de Polignac number, because 40845006089 - 2¹⁶ = 40844940553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40845066089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700484 + ... + 756549.

It is an arithmetic number, because the mean of its divisors is an integer number (3653027077).

Almost surely, 2^40845006089 is an apocalyptic number.

It is an amenable number.

40845006089 is a deficient number, since it is larger than the sum of its proper divisors (2991318835).

40845006089 is a wasteful number, since it uses less digits than its factorization.

40845006089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457164 (or 1457147 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 40845006089 in words is "forty billion, eight hundred forty-five million, six thousand, eighty-nine".