2606533280 has 96 divisors (see below), whose sum is σ = 6644106000. Its totient is φ = 960602112.

The previous prime is 2606533277. The next prime is 2606533333. The reversal of 2606533280 is 823356062.

It can be written as a sum of positive squares in 8 ways, for example, as 961744144 + 1644789136 = 31012^2 + 40556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2606533280.

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, 1681946 + ... + 1683494.

Almost surely, 2^2606533280 is an apocalyptic number.

2606533280 is a gapful number since it is divisible by the number (20) 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 2606533280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3322053000).

2606533280 is an abundant number, since it is smaller than the sum of its proper divisors (4037572720).

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

2606533280 is a wasteful number, since it uses less digits than its factorization.

2606533280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2606533280 is about 51054.2190225255. The cubic root of 2606533280 is about 1376.2196613895.

The spelling of 2606533280 in words is "two billion, six hundred six million, five hundred thirty-three thousand, two hundred eighty".