2580281168 has 40 divisors (see below), whose sum is σ = 5272802400. Its totient is φ = 1219826304.

The previous prime is 2580281159. The next prime is 2580281227. The reversal of 2580281168 is 8611820852.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150878 + ... + 167106.

It is an arithmetic number, because the mean of its divisors is an integer number (131820060).

Almost surely, 2^2580281168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2580281168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2636401200).

2580281168 is an abundant number, since it is smaller than the sum of its proper divisors (2692521232).

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

2580281168 is a wasteful number, since it uses less digits than its factorization.

2580281168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16779 (or 16773 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 2580281168 is about 50796.4680661953. The cubic root of 2580281168 is about 1371.5837914508.

The spelling of 2580281168 in words is "two billion, five hundred eighty million, two hundred eighty-one thousand, one hundred sixty-eight".