1063403264 has 144 divisors (see below), whose sum is σ = 2686306560. Its totient is φ = 408084480.

The previous prime is 1063403251. The next prime is 1063403269. The reversal of 1063403264 is 4623043601.

1063403264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1063403264² = 2261653003771707392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063403269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438607 + ... + 1439345.

Almost surely, 2^1063403264 is an apocalyptic number.

1063403264 is a gapful number since it is divisible by the number (14) 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 1063403264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343153280).

1063403264 is an abundant number, since it is smaller than the sum of its proper divisors (1622903296).

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

1063403264 is an equidigital number, since it uses as much as digits as its factorization.

1063403264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1063403264 is about 32609.8645198044. The cubic root of 1063403264 is about 1020.7028553107.

Adding to 1063403264 its reverse (4623043601), we get a palindrome (5686446865).

The spelling of 1063403264 in words is "one billion, sixty-three million, four hundred three thousand, two hundred sixty-four".