40671233 has 4 divisors (see below), whose sum is σ = 40684080. Its totient is φ = 40658388.

The previous prime is 40671217. The next prime is 40671263. The reversal of 40671233 is 33217604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40671233 - 2⁴ = 40671217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40671203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2066 + ... + 9252.

It is an arithmetic number, because the mean of its divisors is an integer number (10171020).

Almost surely, 2^40671233 is an apocalyptic number.

It is an amenable number.

40671233 is a deficient number, since it is larger than the sum of its proper divisors (12847).

40671233 is an equidigital number, since it uses as much as digits as its factorization.

40671233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12846.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 40671233 is about 6377.4001756202. The cubic root of 40671233 is about 343.8975746305.

Adding to 40671233 its reverse (33217604), we get a palindrome (73888837).

It can be divided in two parts, 40671 and 233, that added together give a palindrome (40904).

The spelling of 40671233 in words is "forty million, six hundred seventy-one thousand, two hundred thirty-three".