2544135564 has 12 divisors (see below), whose sum is σ = 5936316344. Its totient is φ = 848045184.

The previous prime is 2544135553. The next prime is 2544135569. The reversal of 2544135564 is 4655314452.

2544135564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2544135569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106005637 + ... + 106005660.

Almost surely, 2^2544135564 is an apocalyptic number.

It is an amenable number.

2544135564 is an abundant number, since it is smaller than the sum of its proper divisors (3392180780).

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

2544135564 is a wasteful number, since it uses less digits than its factorization.

2544135564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212011304 (or 212011302 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

The square root of 2544135564 is about 50439.4246993361. The cubic root of 2544135564 is about 1365.1490870180.

The spelling of 2544135564 in words is "two billion, five hundred forty-four million, one hundred thirty-five thousand, five hundred sixty-four".