2720266560 has 336 divisors, whose sum is σ = 10809744192. Its totient is φ = 620544000.

The previous prime is 2720266553. The next prime is 2720266579. The reversal of 2720266560 is 656620272.

2720266560 is a `hidden beast` number, since 2 + 72 + 0 + 26 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 536035 + ... + 541085.

Almost surely, 2^2720266560 is an apocalyptic number.

2720266560 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 2720266560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5404872096).

2720266560 is an abundant number, since it is smaller than the sum of its proper divisors (8089477632).

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

2720266560 is a wasteful number, since it uses less digits than its factorization.

2720266560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102 (or 5089 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2720266560 is about 52156.1747063567. The cubic root of 2720266560 is about 1395.9520075016.

The spelling of 2720266560 in words is "two billion, seven hundred twenty million, two hundred sixty-six thousand, five hundred sixty".