40023284 has 12 divisors (see below), whose sum is σ = 80046624. Its totient is φ = 17152824.

The previous prime is 40023229. The next prime is 40023311. The reversal of 40023284 is 48232004.

40023284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

40023284 is an admirable number.

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, 714674 + ... + 714729.

It is an arithmetic number, because the mean of its divisors is an integer number (6670552).

Almost surely, 2^40023284 is an apocalyptic number.

It is an amenable number.

40023284 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.

40023284 is a wasteful number, since it uses less digits than its factorization.

40023284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429414 (or 1429412 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 40023284 is about 6326.3958143638. The cubic root of 40023284 is about 342.0615349303.

Adding to 40023284 its reverse (48232004), we get a palindrome (88255288).

The spelling of 40023284 in words is "forty million, twenty-three thousand, two hundred eighty-four".