40845563 has 8 divisors (see below), whose sum is σ = 45400176. Its totient is φ = 36431200.

The previous prime is 40845559. The next prime is 40845583. The reversal of 40845563 is 36554804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40845563 - 2² = 40845559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40845503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34448 + ... + 35613.

It is an arithmetic number, because the mean of its divisors is an integer number (5675022).

Almost surely, 2^40845563 is an apocalyptic number.

40845563 is a deficient number, since it is larger than the sum of its proper divisors (4554613).

40845563 is a wasteful number, since it uses less digits than its factorization.

40845563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70125.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 40845563 is about 6391.0533560595. The cubic root of 40845563 is about 344.3882261777.

The spelling of 40845563 in words is "forty million, eight hundred forty-five thousand, five hundred sixty-three".