40427044659 has 6 divisors (see below), whose sum is σ = 58394620076. Its totient is φ = 26951363100.

The previous prime is 40427044649. The next prime is 40427044681. The reversal of 40427044659 is 95644072404.

It is not a de Polignac number, because 40427044659 - 2⁵ = 40427044627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40427044649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2245946917 + ... + 2245946934.

Almost surely, 2^40427044659 is an apocalyptic number.

40427044659 is a deficient number, since it is larger than the sum of its proper divisors (17967575417).

40427044659 is a wasteful number, since it uses less digits than its factorization.

40427044659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491893857 (or 4491893854 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 40427044659 in words is "forty billion, four hundred twenty-seven million, forty-four thousand, six hundred fifty-nine".