4042880556 has 96 divisors (see below), whose sum is σ = 11174747136. Its totient is φ = 1130817600.

The previous prime is 4042880539. The next prime is 4042880581. The reversal of 4042880556 is 6550882404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197901 + ... + 217371.

It is an arithmetic number, because the mean of its divisors is an integer number (116403616).

Almost surely, 2^4042880556 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 4042880556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5587373568).

4042880556 is an abundant number, since it is smaller than the sum of its proper divisors (7131866580).

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

4042880556 is a wasteful number, since it uses less digits than its factorization.

4042880556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19524 (or 19500 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 4042880556 is about 63583.6500682369. The cubic root of 4042880556 is about 1593.0532888813.

The spelling of 4042880556 in words is "four billion, forty-two million, eight hundred eighty thousand, five hundred fifty-six".