40446812 has 12 divisors (see below), whose sum is σ = 80893680. Its totient is φ = 17334336.

The previous prime is 40446797. The next prime is 40446827. The reversal of 40446812 is 21864404.

40446812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40446797) and next prime (40446827).

40446812 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722237 + ... + 722292.

It is an arithmetic number, because the mean of its divisors is an integer number (6741140).

Almost surely, 2^40446812 is an apocalyptic number.

It is an amenable number.

40446812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40446812 is a wasteful number, since it uses less digits than its factorization.

40446812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444540 (or 1444538 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 40446812 is about 6359.7808138331. The cubic root of 40446812 is about 343.2638734235.

The spelling of 40446812 in words is "forty million, four hundred forty-six thousand, eight hundred twelve".