40034233 has 2 divisors, whose sum is σ = 40034234. Its totient is φ = 40034232.

The previous prime is 40034231. The next prime is 40034251. The reversal of 40034233 is 33243004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39087504 + 946729 = 6252^2 + 973^2 .

It is a cyclic number.

It is not a de Polignac number, because 40034233 - 2¹ = 40034231 is a prime.

Together with 40034231, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40034233.

It is not a weakly prime, because it can be changed into another prime (40034231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017116 + 20017117.

It is an arithmetic number, because the mean of its divisors is an integer number (20017117).

Almost surely, 2^40034233 is an apocalyptic number.

It is an amenable number.

40034233 is a deficient number, since it is larger than the sum of its proper divisors (1).

40034233 is an equidigital number, since it uses as much as digits as its factorization.

40034233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 40034233 is about 6327.2610978211. The cubic root of 40034233 is about 342.0927241940.

Adding to 40034233 its reverse (33243004), we get a palindrome (73277237).

The spelling of 40034233 in words is "forty million, thirty-four thousand, two hundred thirty-three".