4042582566 has 16 divisors (see below), whose sum is σ = 8820180288. Its totient is φ = 1225025000.

The previous prime is 4042582561. The next prime is 4042582567. The reversal of 4042582566 is 6652852404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042582561) 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 7 ways as a sum of consecutive naturals, for example, 30625560 + ... + 30625691.

It is an arithmetic number, because the mean of its divisors is an integer number (551261268).

Almost surely, 2^4042582566 is an apocalyptic number.

4042582566 is an abundant number, since it is smaller than the sum of its proper divisors (4777597722).

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

4042582566 is a wasteful number, since it uses less digits than its factorization.

4042582566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61251267.

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 4042582566 is about 63581.3067339765. The cubic root of 4042582566 is about 1593.0141480091.

It can be divided in two parts, 40 and 42582566, that added together give a triangular number (42582606 = T₉₂₂₈).

The spelling of 4042582566 in words is "four billion, forty-two million, five hundred eighty-two thousand, five hundred sixty-six".