2144801928 has 64 divisors (see below), whose sum is σ = 5652633600. Its totient is φ = 676296000.

The previous prime is 2144801891. The next prime is 2144801959. The reversal of 2144801928 is 8291084412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339325 + ... + 345587.

It is an arithmetic number, because the mean of its divisors is an integer number (88322400).

Almost surely, 2^2144801928 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 2144801928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2826316800).

2144801928 is an abundant number, since it is smaller than the sum of its proper divisors (3507831672).

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

2144801928 is a wasteful number, since it uses less digits than its factorization.

2144801928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042 (or 7038 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 2144801928 is about 46312.0063050609. The cubic root of 2144801928 is about 1289.6218926705.

The spelling of 2144801928 in words is "two billion, one hundred forty-four million, eight hundred one thousand, nine hundred twenty-eight".