430140320 has 24 divisors (see below), whose sum is σ = 1016206884. Its totient is φ = 172056064.

The previous prime is 430140317. The next prime is 430140343. The reversal of 430140320 is 23041034.

It can be written as a sum of positive squares in 2 ways, for example, as 402724624 + 27415696 = 20068^2 + 5236^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344029 + ... + 1344348.

Almost surely, 2^430140320 is an apocalyptic number.

430140320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

430140320 is an abundant number, since it is smaller than the sum of its proper divisors (586066564).

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

430140320 is a wasteful number, since it uses less digits than its factorization.

430140320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688392 (or 2688384 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 430140320 is about 20739.8244929893. The cubic root of 430140320 is about 754.8663243008.

Adding to 430140320 its reverse (23041034), we get a palindrome (453181354).

The spelling of 430140320 in words is "four hundred thirty million, one hundred forty thousand, three hundred twenty".