2043400430 has 8 divisors (see below), whose sum is σ = 3678120792. Its totient is φ = 817360168.

The previous prime is 2043400423. The next prime is 2043400439. The reversal of 2043400430 is 340043402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043400439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102170012 + ... + 102170031.

It is an arithmetic number, because the mean of its divisors is an integer number (459765099).

Almost surely, 2^2043400430 is an apocalyptic number.

2043400430 is a deficient number, since it is larger than the sum of its proper divisors (1634720362).

2043400430 is a wasteful number, since it uses less digits than its factorization.

2043400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204340050.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2043400430 is about 45203.9868816900. The cubic root of 2043400430 is about 1268.9694307555.

Adding to 2043400430 its reverse (340043402), we get a palindrome (2383443832).

The spelling of 2043400430 in words is "two billion, forty-three million, four hundred thousand, four hundred thirty".