1304504032 has 48 divisors (see below), whose sum is σ = 2811195072. Its totient is φ = 592197120.

The previous prime is 1304504023. The next prime is 1304504053. The reversal of 1304504032 is 2304054031.

It is a junction number, because it is equal to n+sod(n) for n = 1304503994 and 1304504012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328 + ... + 51079.

It is an arithmetic number, because the mean of its divisors is an integer number (58566564).

Almost surely, 2^1304504032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304504032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405597536).

1304504032 is an abundant number, since it is smaller than the sum of its proper divisors (1506691040).

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

1304504032 is a wasteful number, since it uses less digits than its factorization.

1304504032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51491 (or 51483 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1304504032 is about 36117.9184339297. The cubic root of 1304504032 is about 1092.6518580264.

Adding to 1304504032 its reverse (2304054031), we get a palindrome (3608558063).

The spelling of 1304504032 in words is "one billion, three hundred four million, five hundred four thousand, thirty-two".