2043430256 has 40 divisors (see below), whose sum is σ = 4537864320. Its totient is φ = 873215424.

The previous prime is 2043430237. The next prime is 2043430261. The reversal of 2043430256 is 6520343402.

It is a super-2 number, since 2×2043430256² = 8351214422272451072, which contains 22 as substring.

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, 12575 + ... + 65153.

It is an arithmetic number, because the mean of its divisors is an integer number (113446608).

Almost surely, 2^2043430256 is an apocalyptic number.

It is an amenable number.

2043430256 is an abundant number, since it is smaller than the sum of its proper divisors (2494434064).

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

2043430256 is a wasteful number, since it uses less digits than its factorization.

2043430256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52941 (or 52935 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2043430256 is about 45204.3167850151. The cubic root of 2043430256 is about 1268.9756047939.

Adding to 2043430256 its reverse (6520343402), we get a palindrome (8563773658).

The spelling of 2043430256 in words is "two billion, forty-three million, four hundred thirty thousand, two hundred fifty-six".