2548448640 has 96 divisors (see below), whose sum is σ = 8800131600. Its totient is φ = 679584768.

The previous prime is 2548448629. The next prime is 2548448671. The reversal of 2548448640 is 468448452.

2548448640 is a `hidden beast` number, since 2 + 54 + 84 + 486 + 40 = 666.

2548448640 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 tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215460 + ... + 226979.

Almost surely, 2^2548448640 is an apocalyptic number.

2548448640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2548448640 is an abundant number, since it is smaller than the sum of its proper divisors (6251682960).

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

2548448640 is a wasteful number, since it uses less digits than its factorization.

2548448640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442464 (or 442449 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 45.

The square root of 2548448640 is about 50482.1616018966. The cubic root of 2548448640 is about 1365.9200977653.

The spelling of 2548448640 in words is "two billion, five hundred forty-eight million, four hundred forty-eight thousand, six hundred forty".