40927087809 has 20 divisors (see below), whose sum is σ = 63110192640. Its totient is φ = 26404571160.

The previous prime is 40927087741. The next prime is 40927087811. The reversal of 40927087809 is 90878072904.

It is not a de Polignac number, because 40927087809 - 2⁹ = 40927087297 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40927087849) 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 19 ways as a sum of consecutive naturals, for example, 8147049 + ... + 8152070.

It is an arithmetic number, because the mean of its divisors is an integer number (3155509632).

Almost surely, 2^40927087809 is an apocalyptic number.

It is an amenable number.

40927087809 is a deficient number, since it is larger than the sum of its proper divisors (22183104831).

40927087809 is a wasteful number, since it uses less digits than its factorization.

40927087809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16299162 (or 16299153 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 40927087809 in words is "forty billion, nine hundred twenty-seven million, eighty-seven thousand, eight hundred nine".