4042031240 has 64 divisors (see below), whose sum is σ = 9804533760. Its totient is φ = 1490860800.

The previous prime is 4042031239. The next prime is 4042031309. The reversal of 4042031240 is 421302404.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561665 + ... + 568815.

It is an arithmetic number, because the mean of its divisors is an integer number (153195840).

Almost surely, 2^4042031240 is an apocalyptic number.

4042031240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4042031240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4902266880).

4042031240 is an abundant number, since it is smaller than the sum of its proper divisors (5762502520).

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

4042031240 is a wasteful number, since it uses less digits than its factorization.

4042031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262 (or 8258 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4042031240 is about 63576.9709879293. The cubic root of 4042031240 is about 1592.9417264788.

Adding to 4042031240 its reverse (421302404), we get a palindrome (4463333644).

The spelling of 4042031240 in words is "four billion, forty-two million, thirty-one thousand, two hundred forty".