2545550844 has 24 divisors (see below), whose sum is σ = 5940439680. Its totient is φ = 848399664.

The previous prime is 2545550837. The next prime is 2545550849. The reversal of 2545550844 is 4480555452.

It is a super-2 number, since 2×2545550844² = 12959658198778224672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2545550796 and 2545550805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545550849) 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, 147627 + ... + 163965.

It is an arithmetic number, because the mean of its divisors is an integer number (247518320).

Almost surely, 2^2545550844 is an apocalyptic number.

It is an amenable number.

2545550844 is an abundant number, since it is smaller than the sum of its proper divisors (3394888836).

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

2545550844 is a wasteful number, since it uses less digits than its factorization.

2545550844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29329 (or 29327 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 42.

The square root of 2545550844 is about 50453.4522505646. The cubic root of 2545550844 is about 1365.4021801935.

The spelling of 2545550844 in words is "two billion, five hundred forty-five million, five hundred fifty thousand, eight hundred forty-four".