1004330320 has 80 divisors (see below), whose sum is σ = 2760716160. Its totient is φ = 332462592.

The previous prime is 1004330303. The next prime is 1004330339. The reversal of 1004330320 is 230334001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1004330294 and 1004330303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14682 + ... + 47161.

It is an arithmetic number, because the mean of its divisors is an integer number (34508952).

Almost surely, 2^1004330320 is an apocalyptic number.

1004330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004330320 is an abundant number, since it is smaller than the sum of its proper divisors (1756385840).

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

1004330320 is a wasteful number, since it uses less digits than its factorization.

1004330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61892 (or 61886 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1004330320 is about 31691.1710102356. The cubic root of 1004330320 is about 1001.4413614789.

Adding to 1004330320 its reverse (230334001), we get a palindrome (1234664321).

The spelling of 1004330320 in words is "one billion, four million, three hundred thirty thousand, three hundred twenty".