40182273 has 12 divisors (see below), whose sum is σ = 58146660. Its totient is φ = 26739456.

The previous prime is 40182269. The next prime is 40182281. The reversal of 40182273 is 37228104.

It can be written as a sum of positive squares in 2 ways, for example, as 18948609 + 21233664 = 4353^2 + 4608^2 .

It is not a de Polignac number, because 40182273 - 2² = 40182269 is a prime.

It is a super-2 number, since 2×40182273² = 3229230126893058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40182223) 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, 1573 + ... + 9101.

It is an arithmetic number, because the mean of its divisors is an integer number (4845555).

Almost surely, 2^40182273 is an apocalyptic number.

It is an amenable number.

40182273 is a deficient number, since it is larger than the sum of its proper divisors (17964387).

40182273 is a wasteful number, since it uses less digits than its factorization.

40182273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8128 (or 8125 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40182273 is about 6338.9488876311. The cubic root of 40182273 is about 342.5138730239.

The spelling of 40182273 in words is "forty million, one hundred eighty-two thousand, two hundred seventy-three".