1004440230 has 128 divisors (see below), whose sum is σ = 2791411200. Its totient is φ = 256701312.

The previous prime is 1004440219. The next prime is 1004440231. The reversal of 1004440230 is 320444001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004440231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1275897 + ... + 1276683.

It is an arithmetic number, because the mean of its divisors is an integer number (21807900).

Almost surely, 2^1004440230 is an apocalyptic number.

1004440230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004440230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395705600).

1004440230 is an abundant number, since it is smaller than the sum of its proper divisors (1786970970).

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

1004440230 is a wasteful number, since it uses less digits than its factorization.

1004440230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 989 counting only the distinct ones).

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

The square root of 1004440230 is about 31692.9050419806. The cubic root of 1004440230 is about 1001.4778914276.

Adding to 1004440230 its reverse (320444001), we get a palindrome (1324884231).

The spelling of 1004440230 in words is "one billion, four million, four hundred forty thousand, two hundred thirty".