40908033 has 6 divisors (see below), whose sum is σ = 59089394. Its totient is φ = 27272016.

The previous prime is 40908013. The next prime is 40908041. The reversal of 40908033 is 33080904.

It can be written as a sum of positive squares in only one way, i.e., 39350529 + 1557504 = 6273^2 + 1248^2 .

It is not a de Polignac number, because 40908033 - 2¹⁶ = 40842497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40907988 and 40908006.

It is not an unprimeable number, because it can be changed into a prime (40908013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2272660 + ... + 2272677.

Almost surely, 2^40908033 is an apocalyptic number.

It is an amenable number.

40908033 is a deficient number, since it is larger than the sum of its proper divisors (18181361).

40908033 is a wasteful number, since it uses less digits than its factorization.

40908033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545343 (or 4545340 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40908033 is about 6395.9387895758. The cubic root of 40908033 is about 344.5637081010.

Adding to 40908033 its reverse (33080904), we get a palindrome (73988937).

The spelling of 40908033 in words is "forty million, nine hundred eight thousand, thirty-three".