2544858844 has 48 divisors (see below), whose sum is σ = 4926831840. Its totient is φ = 1140572160.

The previous prime is 2544858787. The next prime is 2544858847. The reversal of 2544858844 is 4488584452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2544858791 and 2544858800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544858847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945052 + ... + 947740.

It is an arithmetic number, because the mean of its divisors is an integer number (102642330).

Almost surely, 2^2544858844 is an apocalyptic number.

It is an amenable number.

2544858844 is a deficient number, since it is larger than the sum of its proper divisors (2381972996).

2544858844 is a wasteful number, since it uses less digits than its factorization.

2544858844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998 (or 2996 counting only the distinct ones).

The product of its digits is 6553600, while the sum is 52.

The square root of 2544858844 is about 50446.5939781865. The cubic root of 2544858844 is about 1365.2784422158.

The spelling of 2544858844 in words is "two billion, five hundred forty-four million, eight hundred fifty-eight thousand, eight hundred forty-four".