40563228 has 48 divisors (see below), whose sum is σ = 98532000. Its totient is φ = 12972288.

The previous prime is 40563217. The next prime is 40563247. The reversal of 40563228 is 82236504.

40563228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40563195 and 40563204.

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 15 ways as a sum of consecutive naturals, for example, 79438 + ... + 79946.

It is an arithmetic number, because the mean of its divisors is an integer number (2052750).

Almost surely, 2^40563228 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 40563228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49266000).

40563228 is an abundant number, since it is smaller than the sum of its proper divisors (57968772).

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

40563228 is a wasteful number, since it uses less digits than its factorization.

40563228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40563228 is about 6368.9267541714. The cubic root of 40563228 is about 343.5928909379.

The spelling of 40563228 in words is "forty million, five hundred sixty-three thousand, two hundred twenty-eight".