40289884 has 12 divisors (see below), whose sum is σ = 70610400. Its totient is φ = 20115488.

The previous prime is 40289869. The next prime is 40289891. The reversal of 40289884 is 48898204.

40289884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40289884.

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, 4129 + ... + 9880.

It is an arithmetic number, because the mean of its divisors is an integer number (5884200).

Almost surely, 2^40289884 is an apocalyptic number.

It is an amenable number.

40289884 is a deficient number, since it is larger than the sum of its proper divisors (30320516).

40289884 is a wasteful number, since it uses less digits than its factorization.

40289884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14732 (or 14730 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 40289884 is about 6347.4312914753. The cubic root of 40289884 is about 342.8193593615.

The spelling of 40289884 in words is "forty million, two hundred eighty-nine thousand, eight hundred eighty-four".