2042430456 has 128 divisors (see below), whose sum is σ = 5915669760. Its totient is φ = 580761600.

The previous prime is 2042430433. The next prime is 2042430461. The reversal of 2042430456 is 6540342402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2562250 + ... + 2563046.

It is an arithmetic number, because the mean of its divisors is an integer number (46216170).

Almost surely, 2^2042430456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042430456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2957834880).

2042430456 is an abundant number, since it is smaller than the sum of its proper divisors (3873239304).

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

2042430456 is a wasteful number, since it uses less digits than its factorization.

2042430456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2042430456 is about 45193.2567536353. The cubic root of 2042430456 is about 1268.7686115480.

Adding to 2042430456 its reverse (6540342402), we get a palindrome (8582772858).

The spelling of 2042430456 in words is "two billion, forty-two million, four hundred thirty thousand, four hundred fifty-six".