40038233 has 2 divisors, whose sum is σ = 40038234. Its totient is φ = 40038232.

The previous prime is 40038221. The next prime is 40038269. The reversal of 40038233 is 33283004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26296384 + 13741849 = 5128^2 + 3707^2 .

It is a cyclic number.

It is not a de Polignac number, because 40038233 - 2⁴ = 40038217 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40038199 and 40038208.

It is not a weakly prime, because it can be changed into another prime (40038283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20019116 + 20019117.

It is an arithmetic number, because the mean of its divisors is an integer number (20019117).

Almost surely, 2^40038233 is an apocalyptic number.

It is an amenable number.

40038233 is a deficient number, since it is larger than the sum of its proper divisors (1).

40038233 is an equidigital number, since it uses as much as digits as its factorization.

40038233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 40038233 is about 6327.5771824609. The cubic root of 40038233 is about 342.1041171547.

The spelling of 40038233 in words is "forty million, thirty-eight thousand, two hundred thirty-three".