2563005844 has 24 divisors (see below), whose sum is σ = 5132393280. Its totient is φ = 1097063616.

The previous prime is 2563005803. The next prime is 2563005847. The reversal of 2563005844 is 4485003652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563005847) 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, 33922 + ... + 79225.

It is an arithmetic number, because the mean of its divisors is an integer number (213849720).

Almost surely, 2^2563005844 is an apocalyptic number.

It is an amenable number.

2563005844 is an abundant number, since it is smaller than the sum of its proper divisors (2569387436).

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

2563005844 is a wasteful number, since it uses less digits than its factorization.

2563005844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113967 (or 113965 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 2563005844 is about 50626.1379526426. The cubic root of 2563005844 is about 1368.5159563578.

It can be divided in two parts, 256300 and 5844, that added together give a 18-th power (262144 = 2¹⁸).

The spelling of 2563005844 in words is "two billion, five hundred sixty-three million, five thousand, eight hundred forty-four".