1304632056 has 256 divisors, whose sum is σ = 4177152000. Its totient is φ = 337333248.

The previous prime is 1304632033. The next prime is 1304632067. The reversal of 1304632056 is 6502364031.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7812085 + ... + 7812251.

It is an arithmetic number, because the mean of its divisors is an integer number (16317000).

Almost surely, 2^1304632056 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 1304632056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088576000).

1304632056 is an abundant number, since it is smaller than the sum of its proper divisors (2872519944).

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

1304632056 is a wasteful number, since it uses less digits than its factorization.

1304632056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1304632056 is about 36119.6906963501. The cubic root of 1304632056 is about 1092.6876011344.

Adding to 1304632056 its reverse (6502364031), we get a palindrome (7806996087).

The spelling of 1304632056 in words is "one billion, three hundred four million, six hundred thirty-two thousand, fifty-six".