2042423400 has 96 divisors (see below), whose sum is σ = 6377984640. Its totient is φ = 540648960.

The previous prime is 2042423389. The next prime is 2042423407. The reversal of 2042423400 is 43242402.

It is a super-3 number, since 3×2042423400³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2042423407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69777 + ... + 94623.

It is an arithmetic number, because the mean of its divisors is an integer number (66437340).

Almost surely, 2^2042423400 is an apocalyptic number.

2042423400 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 2042423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3188992320).

2042423400 is an abundant number, since it is smaller than the sum of its proper divisors (4335561240).

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

2042423400 is a wasteful number, since it uses less digits than its factorization.

2042423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003 (or 24994 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2042423400 is about 45193.1786888243. The cubic root of 2042423400 is about 1268.7671504715.

Adding to 2042423400 its reverse (43242402), we get a palindrome (2085665802).

The spelling of 2042423400 in words is "two billion, forty-two million, four hundred twenty-three thousand, four hundred".