2725521560 has 32 divisors (see below), whose sum is σ = 6134410800. Its totient is φ = 1089855360.

The previous prime is 2725521553. The next prime is 2725521569. The reversal of 2725521560 is 651255272.

It is a self number, because there is not a number n which added to its sum of digits gives 2725521560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725521569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139175 + ... + 157545.

Almost surely, 2^2725521560 is an apocalyptic number.

2725521560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2725521560 is an abundant number, since it is smaller than the sum of its proper divisors (3408889240).

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

2725521560 is a wasteful number, since it uses less digits than its factorization.

2725521560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22091 (or 22087 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2725521560 is about 52206.5279443098. The cubic root of 2725521560 is about 1396.8503274507.

The spelling of 2725521560 in words is "two billion, seven hundred twenty-five million, five hundred twenty-one thousand, five hundred sixty".