40217092 has 12 divisors (see below), whose sum is σ = 70558236. Its totient is φ = 20057600.

The previous prime is 40217063. The next prime is 40217123. The reversal of 40217092 is 29071204.

It can be written as a sum of positive squares in 2 ways, for example, as 31181056 + 9036036 = 5584^2 + 3006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10933 + ... + 14140.

It is an arithmetic number, because the mean of its divisors is an integer number (5879853).

Almost surely, 2^40217092 is an apocalyptic number.

It is an amenable number.

40217092 is a deficient number, since it is larger than the sum of its proper divisors (30341144).

40217092 is a wasteful number, since it uses less digits than its factorization.

40217092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25478 (or 25476 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 40217092 is about 6341.6947261753. The cubic root of 40217092 is about 342.6127768986.

Adding to 40217092 its reverse (29071204), we get a palindrome (69288296).

The spelling of 40217092 in words is "forty million, two hundred seventeen thousand, ninety-two".