2144490660 has 96 divisors (see below), whose sum is σ = 7184983680. Its totient is φ = 527872896.

The previous prime is 2144490617. The next prime is 2144490679. The reversal of 2144490660 is 660944412.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 145722 + ... + 159761.

It is an arithmetic number, because the mean of its divisors is an integer number (74843580).

Almost surely, 2^2144490660 is an apocalyptic number.

2144490660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144490660 is an abundant number, since it is smaller than the sum of its proper divisors (5040493020).

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

2144490660 is a wasteful number, since it uses less digits than its factorization.

2144490660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305514 (or 305506 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2144490660 is about 46308.6456290831. The cubic root of 2144490660 is about 1289.5595034676.

It can be divided in two parts, 2144 and 490660, that added together give a square (492804 = 702²).

The spelling of 2144490660 in words is "two billion, one hundred forty-four million, four hundred ninety thousand, six hundred sixty".