6430432320 has 224 divisors, whose sum is σ = 24430573440. Its totient is φ = 1582848000.

The previous prime is 6430432313. The next prime is 6430432321. The reversal of 6430432320 is 232340346.

It is a happy number.

6430432320 is a `hidden beast` number, since 6 + 4 + 304 + 32 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6430432321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83695 + ... + 140945.

It is an arithmetic number, because the mean of its divisors is an integer number (109065060).

Almost surely, 2^6430432320 is an apocalyptic number.

6430432320 is a gapful number since it is divisible by the number (60) 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 6430432320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12215286720).

6430432320 is an abundant number, since it is smaller than the sum of its proper divisors (18000141120).

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

6430432320 is a wasteful number, since it uses less digits than its factorization.

6430432320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57290 (or 57274 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 6430432320 is about 80189.9764309730. The cubic root of 6430432320 is about 1859.5736796082.

Adding to 6430432320 its reverse (232340346), we get a palindrome (6662772666).

The spelling of 6430432320 in words is "six billion, four hundred thirty million, four hundred thirty-two thousand, three hundred twenty".