1063280000 has 80 divisors (see below), whose sum is σ = 2647168260. Its totient is φ = 425280000.

The previous prime is 1063279993. The next prime is 1063280051. The reversal of 1063280000 is 823601.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1063280000² = 2261128716800000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 73355 + ... + 86645.

Almost surely, 2^1063280000 is an apocalyptic number.

1063280000 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 1063280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323584130).

1063280000 is an abundant number, since it is smaller than the sum of its proper divisors (1583888260).

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

1063280000 is an frugal number, since it uses more digits than its factorization.

1063280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325 (or 13298 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1063280000 is about 32607.9744847790. The cubic root of 1063280000 is about 1020.6634156542.

The spelling of 1063280000 in words is "one billion, sixty-three million, two hundred eighty thousand".