2043442430 has 16 divisors (see below), whose sum is σ = 3686183424. Its totient is φ = 815602080.

The previous prime is 2043442417. The next prime is 2043442439. The reversal of 2043442430 is 342443402.

It is a super-4 number, since 4×2043442430⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2043442430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043442439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217022 + ... + 226241.

It is an arithmetic number, because the mean of its divisors is an integer number (230386464).

Almost surely, 2^2043442430 is an apocalyptic number.

2043442430 is a deficient number, since it is larger than the sum of its proper divisors (1642740994).

2043442430 is a wasteful number, since it uses less digits than its factorization.

2043442430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443731.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2043442430 is about 45204.4514400960. The cubic root of 2043442430 is about 1268.9781248176.

Adding to 2043442430 its reverse (342443402), we get a palindrome (2385885832).

The spelling of 2043442430 in words is "two billion, forty-three million, four hundred forty-two thousand, four hundred thirty".