440130324 has 48 divisors (see below), whose sum is σ = 1050114240. Its totient is φ = 143431680.

The previous prime is 440130319. The next prime is 440130331. The reversal of 440130324 is 423031044.

It is a self number, because there is not a number n which added to its sum of digits gives 440130324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135034 + ... + 138254.

It is an arithmetic number, because the mean of its divisors is an integer number (21877380).

Almost surely, 2^440130324 is an apocalyptic number.

It is an amenable number.

440130324 is an abundant number, since it is smaller than the sum of its proper divisors (609983916).

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

440130324 is a wasteful number, since it uses less digits than its factorization.

440130324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3478 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 440130324 is about 20979.2832098716. The cubic root of 440130324 is about 760.6655780693.

Adding to 440130324 its reverse (423031044), we get a palindrome (863161368).

The spelling of 440130324 in words is "four hundred forty million, one hundred thirty thousand, three hundred twenty-four".