2548567644 has 48 divisors (see below), whose sum is σ = 6802483968. Its totient is φ = 727486848.

The previous prime is 2548567639. The next prime is 2548567673. The reversal of 2548567644 is 4467658452.

2548567644 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80824 + ... + 107840.

It is an arithmetic number, because the mean of its divisors is an integer number (141718416).

Almost surely, 2^2548567644 is an apocalyptic number.

It is an amenable number.

2548567644 is an abundant number, since it is smaller than the sum of its proper divisors (4253916324).

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

2548567644 is a wasteful number, since it uses less digits than its factorization.

2548567644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28154 (or 28152 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 51.

The square root of 2548567644 is about 50483.3402619121. The cubic root of 2548567644 is about 1365.9413587294.

The spelling of 2548567644 in words is "two billion, five hundred forty-eight million, five hundred sixty-seven thousand, six hundred forty-four".