430216740 has 144 divisors (see below), whose sum is σ = 1369695600. Its totient is φ = 109154304.

The previous prime is 430216727. The next prime is 430216747. The reversal of 430216740 is 47612034.

It can be written as a sum of positive squares in 8 ways, for example, as 30536676 + 399680064 = 5526^2 + 19992^2 .

It is not an unprimeable number, because it can be changed into a prime (430216747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 380496 + ... + 381624.

It is an arithmetic number, because the mean of its divisors is an integer number (9511775).

Almost surely, 2^430216740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 430216740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684847800).

430216740 is an abundant number, since it is smaller than the sum of its proper divisors (939478860).

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

430216740 is a wasteful number, since it uses less digits than its factorization.

430216740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 430216740 is about 20741.6667604125. Note that the first 3 decimals coincide. The cubic root of 430216740 is about 754.9110255807.

Adding to 430216740 its reverse (47612034), we get a palindrome (477828774).

The spelling of 430216740 in words is "four hundred thirty million, two hundred sixteen thousand, seven hundred forty".