1068898991040 has 588 divisors, whose sum is σ = 3923328562776. Its totient is φ = 277253093376.

The previous prime is 1068898991033. The next prime is 1068898991093. The reversal of 1068898991040 is 401998988601.

It is a super-2 number, since 2×1068898991040² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 319358647 + ... + 319361993.

Almost surely, 2^{1068898991040} is an apocalyptic number.

1068898991040 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 1068898991040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961664281388).

1068898991040 is an abundant number, since it is smaller than the sum of its proper divisors (2854429571736).

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

1068898991040 is an frugal number, since it uses more digits than its factorization.

1068898991040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3394 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 63.

The spelling of 1068898991040 in words is "one trillion, sixty-eight billion, eight hundred ninety-eight million, nine hundred ninety-one thousand, forty".