2040343430 has 64 divisors (see below), whose sum is σ = 3976819200. Its totient is φ = 751887360.

The previous prime is 2040343427. The next prime is 2040343439. The reversal of 2040343430 is 343430402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2040343396 and 2040343405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040343439) 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 31 ways as a sum of consecutive naturals, for example, 654716 + ... + 657824.

It is an arithmetic number, because the mean of its divisors is an integer number (62137800).

Almost surely, 2^2040343430 is an apocalyptic number.

2040343430 is a deficient number, since it is larger than the sum of its proper divisors (1936475770).

2040343430 is a wasteful number, since it uses less digits than its factorization.

2040343430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 2040343430 is about 45170.1608365523. The cubic root of 2040343430 is about 1268.3363070668.

Adding to 2040343430 its reverse (343430402), we get a palindrome (2383773832).

The spelling of 2040343430 in words is "two billion, forty million, three hundred forty-three thousand, four hundred thirty".