40259228 has 12 divisors (see below), whose sum is σ = 71505672. Its totient is φ = 19829040.

The previous prime is 40259227. The next prime is 40259237. The reversal of 40259228 is 82295204.

40259228 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 = 40259194 and 40259203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40259227) 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, 74843 + ... + 75378.

It is an arithmetic number, because the mean of its divisors is an integer number (5958806).

Almost surely, 2^40259228 is an apocalyptic number.

It is an amenable number.

40259228 is a deficient number, since it is larger than the sum of its proper divisors (31246444).

40259228 is a wasteful number, since it uses less digits than its factorization.

40259228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150292 (or 150290 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 40259228 is about 6345.0159968277. The cubic root of 40259228 is about 342.7323885070.

The spelling of 40259228 in words is "forty million, two hundred fifty-nine thousand, two hundred twenty-eight".