2940307181 has 12 divisors (see below), whose sum is σ = 3426318108. Its totient is φ = 2515871232.

The previous prime is 2940307159. The next prime is 2940307193. The reversal of 2940307181 is 1817030492.

It can be written as a sum of positive squares in 2 ways, for example, as 2209470025 + 730837156 = 47005^2 + 27034^2 .

It is not a de Polignac number, because 2940307181 - 2¹⁰ = 2940306157 is a prime.

It is a super-2 number, since 2×2940307181² = 17290812637280333522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940307081) 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 11 ways as a sum of consecutive naturals, for example, 23726 + ... + 80271.

It is an arithmetic number, because the mean of its divisors is an integer number (285526509).

Almost surely, 2^2940307181 is an apocalyptic number.

It is an amenable number.

2940307181 is a deficient number, since it is larger than the sum of its proper divisors (486010927).

2940307181 is a wasteful number, since it uses less digits than its factorization.

2940307181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104588 (or 104581 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2940307181 is about 54224.5994083866. The cubic root of 2940307181 is about 1432.6196428147.

The spelling of 2940307181 in words is "two billion, nine hundred forty million, three hundred seven thousand, one hundred eighty-one".