1304560490 has 16 divisors (see below), whose sum is σ = 2348687880. Its totient is φ = 521717760.

The previous prime is 1304560489. The next prime is 1304560493. The reversal of 1304560490 is 940654031.

It can be written as a sum of positive squares in 4 ways, for example, as 1301694241 + 2866249 = 36079^2 + 1693^2 .

It is not an unprimeable number, because it can be changed into a prime (1304560493) by changing a digit.

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, 54746 + ... + 74874.

Almost surely, 2^1304560490 is an apocalyptic number.

1304560490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304560490 is a deficient number, since it is larger than the sum of its proper divisors (1044127390).

1304560490 is a wasteful number, since it uses less digits than its factorization.

1304560490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26617.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1304560490 is about 36118.7000042914. The cubic root of 1304560490 is about 1092.6676208622.

The spelling of 1304560490 in words is "one billion, three hundred four million, five hundred sixty thousand, four hundred ninety".