440242432 has 36 divisors (see below), whose sum is σ = 1004307136. Its totient is φ = 188674560.

The previous prime is 440242423. The next prime is 440242447. The reversal of 440242432 is 234242044.

It is a junction number, because it is equal to n+sod(n) for n = 440242397 and 440242406.

It is an unprimeable number.

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, 121044 + ... + 124627.

Almost surely, 2^440242432 is an apocalyptic number.

It is an amenable number.

440242432 is an abundant number, since it is smaller than the sum of its proper divisors (564064704).

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

440242432 is an equidigital number, since it uses as much as digits as its factorization.

440242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245694 (or 245680 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 440242432 is about 20981.9549136871. The cubic root of 440242432 is about 760.7301570152.

Adding to 440242432 its reverse (234242044), we get a palindrome (674484476).

The spelling of 440242432 in words is "four hundred forty million, two hundred forty-two thousand, four hundred thirty-two".