2564530144 has 36 divisors (see below), whose sum is σ = 5549646312. Its totient is φ = 1165693760.

The previous prime is 2564530127. The next prime is 2564530151. The reversal of 2564530144 is 4410354652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327292 + ... + 335035.

It is an arithmetic number, because the mean of its divisors is an integer number (154156842).

Almost surely, 2^2564530144 is an apocalyptic number.

It is an amenable number.

2564530144 is an abundant number, since it is smaller than the sum of its proper divisors (2985116168).

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

2564530144 is a wasteful number, since it uses less digits than its factorization.

2564530144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662359 (or 662340 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 2564530144 is about 50641.1901913847. The cubic root of 2564530144 is about 1368.7872023860.

Adding to 2564530144 its reverse (4410354652), we get a palindrome (6974884796).

The spelling of 2564530144 in words is "two billion, five hundred sixty-four million, five hundred thirty thousand, one hundred forty-four".