440231430030 has 128 divisors (see below), whose sum is σ = 1220159655936. Its totient is φ = 99569856000.

The previous prime is 440231430017. The next prime is 440231430097. The reversal of 440231430030 is 30034132044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43751200 + ... + 43761260.

It is an arithmetic number, because the mean of its divisors is an integer number (9532497312).

Almost surely, 2^440231430030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440231430030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610079827968).

440231430030 is an abundant number, since it is smaller than the sum of its proper divisors (779928225906).

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

440231430030 is a wasteful number, since it uses less digits than its factorization.

440231430030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12242.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 440231430030 its reverse (30034132044), we get a palindrome (470265562074).

It can be divided in two parts, 4402314 and 30030, that added together give a palindrome (4432344).

The spelling of 440231430030 in words is "four hundred forty billion, two hundred thirty-one million, four hundred thirty thousand, thirty".