1303450656 has 96 divisors (see below), whose sum is σ = 3684502080. Its totient is φ = 401965056.

The previous prime is 1303450637. The next prime is 1303450661. The reversal of 1303450656 is 6560543031.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1303450656² = 3397967225253660672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89520 + ... + 103056.

It is an arithmetic number, because the mean of its divisors is an integer number (38380230).

Almost surely, 2^1303450656 is an apocalyptic number.

1303450656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303450656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842251040).

1303450656 is an abundant number, since it is smaller than the sum of its proper divisors (2381051424).

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

1303450656 is a wasteful number, since it uses less digits than its factorization.

1303450656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13626 (or 13618 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1303450656 is about 36103.3330317299. Note that the first 3 decimals coincide. The cubic root of 1303450656 is about 1092.3576764435.

Adding to 1303450656 its reverse (6560543031), we get a palindrome (7863993687).

The spelling of 1303450656 in words is "one billion, three hundred three million, four hundred fifty thousand, six hundred fifty-six".