40286916 has 96 divisors (see below), whose sum is σ = 113904000. Its totient is φ = 12265344.

The previous prime is 40286893. The next prime is 40286921. The reversal of 40286916 is 61968204.

40286916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 59170 + ... + 59846.

It is an arithmetic number, because the mean of its divisors is an integer number (1186500).

Almost surely, 2^40286916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40286916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56952000).

40286916 is an abundant number, since it is smaller than the sum of its proper divisors (73617084).

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

40286916 is a wasteful number, since it uses less digits than its factorization.

40286916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40286916 is about 6347.1974918069. The cubic root of 40286916 is about 342.8109410958.

The spelling of 40286916 in words is "forty million, two hundred eighty-six thousand, nine hundred sixteen".