430640322 has 48 divisors (see below), whose sum is σ = 1011696192. Its totient is φ = 121836960.

The previous prime is 430640291. The next prime is 430640383. The reversal of 430640322 is 223046034.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 430640292 and 430640301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23172 + ... + 37392.

It is an arithmetic number, because the mean of its divisors is an integer number (21077004).

Almost surely, 2^430640322 is an apocalyptic number.

430640322 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 430640322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505848096).

430640322 is an abundant number, since it is smaller than the sum of its proper divisors (581055870).

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

430640322 is a wasteful number, since it uses less digits than its factorization.

430640322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14343 (or 14336 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 430640322 is about 20751.8751441888. The cubic root of 430640322 is about 755.1587006125.

Adding to 430640322 its reverse (223046034), we get a palindrome (653686356).

The spelling of 430640322 in words is "four hundred thirty million, six hundred forty thousand, three hundred twenty-two".