40594549 has 4 divisors (see below), whose sum is σ = 40608064. Its totient is φ = 40581036.

The previous prime is 40594523. The next prime is 40594571. The reversal of 40594549 is 94549504.

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 a de Polignac number, because none of the positive numbers 2^k-40594549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40594579) 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, 4 + ... + 9010.

It is an arithmetic number, because the mean of its divisors is an integer number (10152016).

Almost surely, 2^40594549 is an apocalyptic number.

It is an amenable number.

40594549 is a deficient number, since it is larger than the sum of its proper divisors (13515).

40594549 is an equidigital number, since it uses as much as digits as its factorization.

40594549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13514.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 40594549 is about 6371.3851712167. The cubic root of 40594549 is about 343.6813035616.

The spelling of 40594549 in words is "forty million, five hundred ninety-four thousand, five hundred forty-nine".