2042430340 has 48 divisors (see below), whose sum is σ = 4507538112. Its totient is φ = 776393856.

The previous prime is 2042430323. The next prime is 2042430347. The reversal of 2042430340 is 430342402.

It is not an unprimeable number, because it can be changed into a prime (2042430347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274 + ... + 63913.

It is an arithmetic number, because the mean of its divisors is an integer number (93907044).

Almost surely, 2^2042430340 is an apocalyptic number.

2042430340 is a gapful number since it is divisible by the number (20) 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 2042430340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253769056).

2042430340 is an abundant number, since it is smaller than the sum of its proper divisors (2465107772).

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

2042430340 is a wasteful number, since it uses less digits than its factorization.

2042430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64276 (or 64274 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2042430340 is about 45193.2554702579. The cubic root of 2042430340 is about 1268.7685875281.

Adding to 2042430340 its reverse (430342402), we get a palindrome (2472772742).

The spelling of 2042430340 in words is "two billion, forty-two million, four hundred thirty thousand, three hundred forty".