40228244 has 24 divisors (see below), whose sum is σ = 84692160. Its totient is φ = 16333056.

The previous prime is 40228231. The next prime is 40228261. The reversal of 40228244 is 44282204.

40228244 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, 37277 + ... + 38340.

It is an arithmetic number, because the mean of its divisors is an integer number (3528840).

Almost surely, 2^40228244 is an apocalyptic number.

It is an amenable number.

40228244 is an abundant number, since it is smaller than the sum of its proper divisors (44463916).

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

40228244 is a wasteful number, since it uses less digits than its factorization.

40228244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75647 (or 75645 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 40228244 is about 6342.5739254659. The cubic root of 40228244 is about 342.6444422460.

The spelling of 40228244 in words is "forty million, two hundred twenty-eight thousand, two hundred forty-four".