40567249 has 4 divisors (see below), whose sum is σ = 40777636. Its totient is φ = 40356864.

The previous prime is 40567217. The next prime is 40567273. The reversal of 40567249 is 94276504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8020224 + 32547025 = 2832^2 + 5705^2 .

It is a cyclic number.

It is not a de Polignac number, because 40567249 - 2⁵ = 40567217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40567649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104904 + ... + 105289.

It is an arithmetic number, because the mean of its divisors is an integer number (10194409).

Almost surely, 2^40567249 is an apocalyptic number.

It is an amenable number.

40567249 is a deficient number, since it is larger than the sum of its proper divisors (210387).

40567249 is a wasteful number, since it uses less digits than its factorization.

40567249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210386.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 40567249 is about 6369.2424196289. The cubic root of 40567249 is about 343.6042439246.

The spelling of 40567249 in words is "forty million, five hundred sixty-seven thousand, two hundred forty-nine".