40544885 has 8 divisors (see below), whose sum is σ = 48730200. Its totient is φ = 32385024.

The previous prime is 40544873. The next prime is 40544887. The reversal of 40544885 is 58844504.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4268356 + 36276529 = 2066^2 + 6023^2 .

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 40544885 - 2²² = 36350581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40544887) 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, 2660 + ... + 9389.

It is an arithmetic number, because the mean of its divisors is an integer number (6091275).

Almost surely, 2^40544885 is an apocalyptic number.

It is an amenable number.

40544885 is a deficient number, since it is larger than the sum of its proper divisors (8185315).

40544885 is a wasteful number, since it uses less digits than its factorization.

40544885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12727.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 40544885 is about 6367.4865527930. The cubic root of 40544885 is about 343.5410913568.

The spelling of 40544885 in words is "forty million, five hundred forty-four thousand, eight hundred eighty-five".