40843225 has 6 divisors (see below), whose sum is σ = 50645630. Its totient is φ = 32674560.

The previous prime is 40843207. The next prime is 40843241. The reversal of 40843225 is 52234804.

It can be written as a sum of positive squares in 3 ways, for example, as 546121 + 40297104 = 739^2 + 6348^2 .

It is not a de Polignac number, because 40843225 - 2⁹ = 40842713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40843193 and 40843202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 816840 + ... + 816889.

Almost surely, 2^40843225 is an apocalyptic number.

It is an amenable number.

40843225 is a deficient number, since it is larger than the sum of its proper divisors (9802405).

40843225 is a wasteful number, since it uses less digits than its factorization.

40843225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633739 (or 1633734 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40843225 is about 6390.8704414970. The cubic root of 40843225 is about 344.3816551250.

The spelling of 40843225 in words is "forty million, eight hundred forty-three thousand, two hundred twenty-five".