2545847844 has 96 divisors (see below), whose sum is σ = 6257771520. Its totient is φ = 804556800.

The previous prime is 2545847827. The next prime is 2545847849. The reversal of 2545847844 is 4487485452.

It is not an unprimeable number, because it can be changed into a prime (2545847849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6544402 + ... + 6544790.

It is an arithmetic number, because the mean of its divisors is an integer number (65185120).

Almost surely, 2^2545847844 is an apocalyptic number.

It is an amenable number.

2545847844 is an abundant number, since it is smaller than the sum of its proper divisors (3711923676).

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

2545847844 is a wasteful number, since it uses less digits than its factorization.

2545847844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 739 counting only the distinct ones).

The product of its digits is 5734400, while the sum is 51.

The square root of 2545847844 is about 50456.3954717338. The cubic root of 2545847844 is about 1365.4552805114.

The spelling of 2545847844 in words is "two billion, five hundred forty-five million, eight hundred forty-seven thousand, eight hundred forty-four".