6445431230 has 64 divisors (see below), whose sum is σ = 13555745280. Its totient is φ = 2160722304.

The previous prime is 6445431203. The next prime is 6445431233. The reversal of 6445431230 is 321345446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445431233) 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, 1136141 + ... + 1141799.

It is an arithmetic number, because the mean of its divisors is an integer number (211808520).

Almost surely, 2^6445431230 is an apocalyptic number.

6445431230 is an abundant number, since it is smaller than the sum of its proper divisors (7110314050).

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

6445431230 is a wasteful number, since it uses less digits than its factorization.

6445431230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 6445431230 is about 80283.4430626888. The cubic root of 6445431230 is about 1861.0183684115.

Adding to 6445431230 its reverse (321345446), we get a palindrome (6766776676).

The spelling of 6445431230 in words is "six billion, four hundred forty-five million, four hundred thirty-one thousand, two hundred thirty".