4003541442 has 24 divisors (see below), whose sum is σ = 8753925180. Its totient is φ = 1322269920.

The previous prime is 4003541441. The next prime is 4003541453. The reversal of 4003541442 is 2441453004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3575920401 + 427621041 = 59799^2 + 20679^2 .

It is a super-2 number, since 2×4003541442² = 32056688155622878728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4003541441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1018309 + ... + 1022232.

Almost surely, 2^4003541442 is an apocalyptic number.

4003541442 is an abundant number, since it is smaller than the sum of its proper divisors (4750383738).

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

4003541442 is a wasteful number, since it uses less digits than its factorization.

4003541442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040658 (or 2040655 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4003541442 is about 63273.5445664300. The cubic root of 4003541442 is about 1587.8693878430.

Adding to 4003541442 its reverse (2441453004), we get a palindrome (6444994446).

The spelling of 4003541442 in words is "four billion, three million, five hundred forty-one thousand, four hundred forty-two".