40033933 has 2 divisors, whose sum is σ = 40033934. Its totient is φ = 40033932.

The previous prime is 40033913. The next prime is 40033951. The reversal of 40033933 is 33933004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34070569 + 5963364 = 5837^2 + 2442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40033933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40033898 and 40033907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40033913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20016966 + 20016967.

It is an arithmetic number, because the mean of its divisors is an integer number (20016967).

Almost surely, 2^40033933 is an apocalyptic number.

It is an amenable number.

40033933 is a deficient number, since it is larger than the sum of its proper divisors (1).

40033933 is an equidigital number, since it uses as much as digits as its factorization.

40033933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

The square root of 40033933 is about 6327.2373908365. The cubic root of 40033933 is about 342.0918696914.

Adding to 40033933 its reverse (33933004), we get a palindrome (73966937).

The spelling of 40033933 in words is "forty million, thirty-three thousand, nine hundred thirty-three".