40013286 has 8 divisors (see below), whose sum is σ = 80026584. Its totient is φ = 13337760.

The previous prime is 40013249. The next prime is 40013287. The reversal of 40013286 is 68231004.

It is a happy number.

40013286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

40013286 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013287) 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 in 3 ways as a sum of consecutive naturals, for example, 3334435 + ... + 3334446.

It is an arithmetic number, because the mean of its divisors is an integer number (10003323).

Almost surely, 2^40013286 is an apocalyptic number.

40013286 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.

40013286 is a wasteful number, since it uses less digits than its factorization.

40013286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668886.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 40013286 is about 6325.6055836576. The cubic root of 40013286 is about 342.0330497113.

The spelling of 40013286 in words is "forty million, thirteen thousand, two hundred eighty-six".