40286944 has 12 divisors (see below), whose sum is σ = 79314984. Its totient is φ = 20143456.

The previous prime is 40286933. The next prime is 40286947. The reversal of 40286944 is 44968204.

40286944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40286947) by changing a digit.

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 as a sum of consecutive naturals, namely, 629452 + ... + 629515.

It is an arithmetic number, because the mean of its divisors is an integer number (6609582).

Almost surely, 2^40286944 is an apocalyptic number.

It is an amenable number.

40286944 is a deficient number, since it is larger than the sum of its proper divisors (39028040).

40286944 is a wasteful number, since it uses less digits than its factorization.

40286944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258977 (or 1258969 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 40286944 is about 6347.1996975044. The cubic root of 40286944 is about 342.8110205153.

The spelling of 40286944 in words is "forty million, two hundred eighty-six thousand, nine hundred forty-four".