40117274109 has 72 divisors (see below), whose sum is σ = 67124689632. Its totient is φ = 23745143520.

The previous prime is 40117274069. The next prime is 40117274117. The reversal of 40117274109 is 90147271104.

40117274109 is a `hidden beast` number, since 401 + 172 + 74 + 10 + 9 = 666.

It is not a de Polignac number, because 40117274109 - 2⁹ = 40117273597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40117274129) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4938319 + ... + 4946435.

It is an arithmetic number, because the mean of its divisors is an integer number (932287356).

Almost surely, 2^40117274109 is an apocalyptic number.

It is an amenable number.

40117274109 is a deficient number, since it is larger than the sum of its proper divisors (27007415523).

40117274109 is an equidigital number, since it uses as much as digits as its factorization.

40117274109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229 (or 8174 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The spelling of 40117274109 in words is "forty billion, one hundred seventeen million, two hundred seventy-four thousand, one hundred nine".