42459228 has 120 divisors (see below), whose sum is σ = 128825312. Its totient is φ = 11943936.

The previous prime is 42459211. The next prime is 42459247. The reversal of 42459228 is 82295424.

42459228 is a `hidden beast` number, since 42 + 4 + 592 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42459192 and 42459201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 219900 + ... + 220092.

Almost surely, 2^42459228 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 42459228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64412656).

42459228 is an abundant number, since it is smaller than the sum of its proper divisors (86366084).

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

42459228 is a wasteful number, since it uses less digits than its factorization.

42459228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 302 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 42459228 is about 6516.0745852085. The cubic root of 42459228 is about 348.8649707655.

The spelling of 42459228 in words is "forty-two million, four hundred fifty-nine thousand, two hundred twenty-eight".