1063264320 has 560 divisors, whose sum is σ = 4248668160. Its totient is φ = 250822656.

The previous prime is 1063264291. The next prime is 1063264333. The reversal of 1063264320 is 234623601.

1063264320 is a `hidden beast` number, since 1 + 0 + 632 + 6 + 4 + 3 + 20 = 666.

It is a super-2 number, since 2×1063264320² = 2261062028370124800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8372097 + ... + 8372223.

Almost surely, 2^1063264320 is an apocalyptic number.

1063264320 is a gapful number since it is divisible by the number (10) 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 1063264320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2124334080).

1063264320 is an abundant number, since it is smaller than the sum of its proper divisors (3185403840).

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

1063264320 is a wasteful number, since it uses less digits than its factorization.

1063264320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1063264320 is about 32607.7340519086. The cubic root of 1063264320 is about 1020.6583984492.

Adding to 1063264320 its reverse (234623601), we get a palindrome (1297887921).

The spelling of 1063264320 in words is "one billion, sixty-three million, two hundred sixty-four thousand, three hundred twenty".