2665527720 has 64 divisors (see below), whose sum is σ = 7999992000. Its totient is φ = 710504448.

The previous prime is 2665527701. The next prime is 2665527737. The reversal of 2665527720 is 277255662.

2665527720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 512091 + ... + 517269.

It is an arithmetic number, because the mean of its divisors is an integer number (124999875).

Almost surely, 2^2665527720 is an apocalyptic number.

2665527720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2665527720 is an abundant number, since it is smaller than the sum of its proper divisors (5334464280).

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

2665527720 is a wasteful number, since it uses less digits than its factorization.

2665527720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9482 (or 9478 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 2665527720 is about 51628.7489679926. The cubic root of 2665527720 is about 1386.5250952094.

The spelling of 2665527720 in words is "two billion, six hundred sixty-five million, five hundred twenty-seven thousand, seven hundred twenty".