7266065280 has 128 divisors (see below), whose sum is σ = 23184420480. Its totient is φ = 1935624192.

The previous prime is 7266065239. The next prime is 7266065299. The reversal of 7266065280 is 825606627.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3583627 + ... + 3585653.

It is an arithmetic number, because the mean of its divisors is an integer number (181128285).

Almost surely, 2^7266065280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7266065280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11592210240).

7266065280 is an abundant number, since it is smaller than the sum of its proper divisors (15918355200).

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

7266065280 is a wasteful number, since it uses less digits than its factorization.

7266065280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916 (or 3904 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 7266065280 is about 85241.2181987095. The cubic root of 7266065280 is about 1936.8668453793.

The spelling of 7266065280 in words is "seven billion, two hundred sixty-six million, sixty-five thousand, two hundred eighty".