4042725228 has 120 divisors (see below), whose sum is σ = 11426030000. Its totient is φ = 1242076032.

The previous prime is 4042725217. The next prime is 4042725301. The reversal of 4042725228 is 8225272404.

4042725228 is a `hidden beast` number, since 4 + 0 + 427 + 2 + 5 + 228 = 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 = 4042725192 and 4042725201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 218898 + ... + 236646.

Almost surely, 2^4042725228 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 4042725228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5713015000).

4042725228 is an abundant number, since it is smaller than the sum of its proper divisors (7383304772).

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

4042725228 is a wasteful number, since it uses less digits than its factorization.

4042725228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17821 (or 17810 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 4042725228 is about 63582.4286104266. The cubic root of 4042725228 is about 1593.0328868481.

The spelling of 4042725228 in words is "four billion, forty-two million, seven hundred twenty-five thousand, two hundred twenty-eight".