432030440 has 16 divisors (see below), whose sum is σ = 972068580. Its totient is φ = 172812160.

The previous prime is 432030437. The next prime is 432030449. The reversal of 432030440 is 44030234.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 416078404 + 15952036 = 20398^2 + 3994^2 .

It is a super-3 number, since 3×432030440³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (432030449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5400341 + ... + 5400420.

Almost surely, 2^432030440 is an apocalyptic number.

432030440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

432030440 is an abundant number, since it is smaller than the sum of its proper divisors (540038140).

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

432030440 is a wasteful number, since it uses less digits than its factorization.

432030440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10800772 (or 10800768 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 432030440 is about 20785.3419505189. The cubic root of 432030440 is about 755.9703850740.

Adding to 432030440 its reverse (44030234), we get a palindrome (476060674).

The spelling of 432030440 in words is "four hundred thirty-two million, thirty thousand, four hundred forty".