4042242040 has 32 divisors (see below), whose sum is σ = 9098444880. Its totient is φ = 1616292352.

The previous prime is 4042242023. The next prime is 4042242073. The reversal of 4042242040 is 402422404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98439 + ... + 133321.

Almost surely, 2^4042242040 is an apocalyptic number.

4042242040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4042242040 is an abundant number, since it is smaller than the sum of its proper divisors (5056202840).

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

4042242040 is a wasteful number, since it uses less digits than its factorization.

4042242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37791 (or 37787 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4042242040 is about 63578.6287993065. The cubic root of 4042242040 is about 1592.9694176947.

Adding to 4042242040 its reverse (402422404), we get a palindrome (4444664444).

The spelling of 4042242040 in words is "four billion, forty-two million, two hundred forty-two thousand, forty".