1068355520 has 112 divisors (see below), whose sum is σ = 2668584960. Its totient is φ = 406619136.

The previous prime is 1068355513. The next prime is 1068355549. The reversal of 1068355520 is 255538601.

It is a super-2 number, since 2×1068355520² = 2282767034228940800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2789249 + ... + 2789631.

Almost surely, 2^1068355520 is an apocalyptic number.

1068355520 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 1068355520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334292480).

1068355520 is an abundant number, since it is smaller than the sum of its proper divisors (1600229440).

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

1068355520 is a wasteful number, since it uses less digits than its factorization.

1068355520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 1068355520 is about 32685.7081918076. The cubic root of 1068355520 is about 1022.2848689465.

The spelling of 1068355520 in words is "one billion, sixty-eight million, three hundred fifty-five thousand, five hundred twenty".