440124030 has 96 divisors (see below), whose sum is σ = 1203890688. Its totient is φ = 115668000.

The previous prime is 440123989. The next prime is 440124059. The reversal of 440124030 is 30421044.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 440123994 and 440124012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171255 + ... + 173805.

It is an arithmetic number, because the mean of its divisors is an integer number (12540528).

Almost surely, 2^440124030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440124030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601945344).

440124030 is an abundant number, since it is smaller than the sum of its proper divisors (763766658).

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

440124030 is a wasteful number, since it uses less digits than its factorization.

440124030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644 (or 2632 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 440124030 is about 20979.1332042103. The cubic root of 440124030 is about 760.6619521342.

Adding to 440124030 its reverse (30421044), we get a palindrome (470545074).

The spelling of 440124030 in words is "four hundred forty million, one hundred twenty-four thousand, thirty".