2548044640 has 48 divisors (see below), whose sum is σ = 6023581200. Its totient is φ = 1018570240.

The previous prime is 2548044637. The next prime is 2548044641. The reversal of 2548044640 is 464408452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2548044640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2548044641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307755 + ... + 315925.

It is an arithmetic number, because the mean of its divisors is an integer number (125491275).

Almost surely, 2^2548044640 is an apocalyptic number.

2548044640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2548044640 is an abundant number, since it is smaller than the sum of its proper divisors (3475536560).

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

2548044640 is a wasteful number, since it uses less digits than its factorization.

2548044640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10135 (or 10127 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

The square root of 2548044640 is about 50478.1600298585. The cubic root of 2548044640 is about 1365.8479151737.

The spelling of 2548044640 in words is "two billion, five hundred forty-eight million, forty-four thousand, six hundred forty".