4042582542 has 48 divisors (see below), whose sum is σ = 9071974080. Its totient is φ = 1299480000.

The previous prime is 4042582529. The next prime is 4042582547. The reversal of 4042582542 is 2452852404.

It is a junction number, because it is equal to n+sod(n) for n = 4042582497 and 4042582506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042582547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471292 + ... + 479792.

It is an arithmetic number, because the mean of its divisors is an integer number (188999460).

Almost surely, 2^4042582542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4042582542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4535987040).

4042582542 is an abundant number, since it is smaller than the sum of its proper divisors (5029391538).

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

4042582542 is a wasteful number, since it uses less digits than its factorization.

4042582542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9449 (or 9446 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

The square root of 4042582542 is about 63581.3065452417. The cubic root of 4042582542 is about 1593.0141448566.

The spelling of 4042582542 in words is "four billion, forty-two million, five hundred eighty-two thousand, five hundred forty-two".