1004500320 has 96 divisors (see below), whose sum is σ = 3185360640. Its totient is φ = 266073600.

The previous prime is 1004500313. The next prime is 1004500327. The reversal of 1004500320 is 230054001.

It is an interprime number because it is at equal distance from previous prime (1004500313) and next prime (1004500327).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1004500320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004500327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65551 + ... + 79409.

It is an arithmetic number, because the mean of its divisors is an integer number (33180840).

Almost surely, 2^1004500320 is an apocalyptic number.

1004500320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592680320).

1004500320 is an abundant number, since it is smaller than the sum of its proper divisors (2180860320).

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

1004500320 is a wasteful number, since it uses less digits than its factorization.

1004500320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028 (or 14020 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1004500320 is about 31693.8530317789. The cubic root of 1004500320 is about 1001.4978619560.

Adding to 1004500320 its reverse (230054001), we get a palindrome (1234554321).

The spelling of 1004500320 in words is "one billion, four million, five hundred thousand, three hundred twenty".