1304324560 has 80 divisors (see below), whose sum is σ = 3780865152. Its totient is φ = 406540800.

The previous prime is 1304324557. The next prime is 1304324569. The reversal of 1304324560 is 654234031.

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 (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304324569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99711 + ... + 112030.

Almost surely, 2^1304324560 is an apocalyptic number.

1304324560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304324560 is an abundant number, since it is smaller than the sum of its proper divisors (2476540592).

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

1304324560 is a wasteful number, since it uses less digits than its factorization.

1304324560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211772 (or 211766 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1304324560 is about 36115.4338199059. The cubic root of 1304324560 is about 1092.6017471788.

Adding to 1304324560 its reverse (654234031), we get a palindrome (1958558591).

The spelling of 1304324560 in words is "one billion, three hundred four million, three hundred twenty-four thousand, five hundred sixty".