1065836880 has 240 divisors, whose sum is σ = 3753509760. Its totient is φ = 281055744.

The previous prime is 1065836857. The next prime is 1065836887. The reversal of 1065836880 is 886385601.

1065836880 is a `hidden beast` number, since 1 + 0 + 6 + 583 + 68 + 8 + 0 = 666.

1065836880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×1065836880² = 2272016509536268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065836887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2118709 + ... + 2119211.

It is an arithmetic number, because the mean of its divisors is an integer number (15639624).

Almost surely, 2^1065836880 is an apocalyptic number.

1065836880 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 1065836880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876754880).

1065836880 is an abundant number, since it is smaller than the sum of its proper divisors (2687672880).

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

1065836880 is a wasteful number, since it uses less digits than its factorization.

1065836880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 1065836880 is about 32647.1573035081. The cubic root of 1065836880 is about 1021.4808938964.

The spelling of 1065836880 in words is "one billion, sixty-five million, eight hundred thirty-six thousand, eight hundred eighty".