1768081280 has 256 divisors, whose sum is σ = 5170176000. Its totient is φ = 565125120.

The previous prime is 1768081229. The next prime is 1768081303. The reversal of 1768081280 is 821808671.

It is a super-2 number, since 2×1768081280² = 6252222825372876800, 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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4027301 + ... + 4027739.

It is an arithmetic number, because the mean of its divisors is an integer number (20196000).

Almost surely, 2^1768081280 is an apocalyptic number.

1768081280 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 1768081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585088000).

1768081280 is an abundant number, since it is smaller than the sum of its proper divisors (3402094720).

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

1768081280 is a wasteful number, since it uses less digits than its factorization.

1768081280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 1768081280 is about 42048.5585959852. The cubic root of 1768081280 is about 1209.2072488694.

The spelling of 1768081280 in words is "one billion, seven hundred sixty-eight million, eighty-one thousand, two hundred eighty".