1004130450 has 72 divisors (see below), whose sum is σ = 2701525008. Its totient is φ = 267395040.

The previous prime is 1004130443. The next prime is 1004130451. The reversal of 1004130450 is 540314001.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1004130451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 504357 + ... + 506343.

Almost surely, 2^1004130450 is an apocalyptic number.

1004130450 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 1004130450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350762504).

1004130450 is an abundant number, since it is smaller than the sum of its proper divisors (1697394558).

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

1004130450 is a wasteful number, since it uses less digits than its factorization.

1004130450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1004130450 is about 31688.0174513964. The cubic root of 1004130450 is about 1001.3749253805.

Adding to 1004130450 its reverse (540314001), we get a palindrome (1544444451).

The spelling of 1004130450 in words is "one billion, four million, one hundred thirty thousand, four hundred fifty".