40064286 has 16 divisors (see below), whose sum is σ = 80190864. Its totient is φ = 13344384.

The previous prime is 40064279. The next prime is 40064327. The reversal of 40064286 is 68246004.

40064286 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 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 7 ways as a sum of consecutive naturals, for example, 12726 + ... + 15558.

It is an arithmetic number, because the mean of its divisors is an integer number (5011929).

Almost surely, 2^40064286 is an apocalyptic number.

40064286 is an abundant number, since it is smaller than the sum of its proper divisors (40126578).

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

40064286 is a wasteful number, since it uses less digits than its factorization.

40064286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 40064286 is about 6329.6355345312. The cubic root of 40064286 is about 342.1783037957.

The spelling of 40064286 in words is "forty million, sixty-four thousand, two hundred eighty-six".