40845844 has 48 divisors (see below), whose sum is σ = 79717120. Its totient is φ = 18195840.

The previous prime is 40845821. The next prime is 40845851. The reversal of 40845844 is 44854804.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 250507 + ... + 250669.

Almost surely, 2^40845844 is an apocalyptic number.

It is an amenable number.

40845844 is a deficient number, since it is larger than the sum of its proper divisors (38871276).

40845844 is a wasteful number, since it uses less digits than its factorization.

40845844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 37.

The square root of 40845844 is about 6391.0753398783. The cubic root of 40845844 is about 344.3890159238.

The spelling of 40845844 in words is "forty million, eight hundred forty-five thousand, eight hundred forty-four".