1063305888840 has 96 divisors (see below), whose sum is σ = 3721570627320. Its totient is φ = 261736833024.

The previous prime is 1063305888829. The next prime is 1063305888847. The reversal of 1063305888840 is 488885033601.

1063305888840 is a `hidden beast` number, since 10 + 6 + 3 + 3 + 0 + 588 + 8 + 8 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 604036731204 + 459269157636 = 777198^2 + 677694^2 .

It is a super-2 number, since 2×1063305888840² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1063305888847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113596377 + ... + 113605736.

Almost surely, 2^{1063305888840} is an apocalyptic number.

1063305888840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1063305888840 is an abundant number, since it is smaller than the sum of its proper divisors (2658264738480).

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

1063305888840 is a wasteful number, since it uses less digits than its factorization.

1063305888840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227202143 (or 227202136 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 1063305888840 in words is "one trillion, sixty-three billion, three hundred five million, eight hundred eighty-eight thousand, eight hundred forty".