2144446530 has 16 divisors (see below), whose sum is σ = 5146671744. Its totient is φ = 571852400.

The previous prime is 2144446529. The next prime is 2144446531. The reversal of 2144446530 is 356444412.

It is a happy number.

2144446530 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2144446529) and next prime (2144446531).

It is a junction number, because it is equal to n+sod(n) for n = 2144446491 and 2144446500.

It is not an unprimeable number, because it can be changed into a prime (2144446531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35740746 + ... + 35740805.

It is an arithmetic number, because the mean of its divisors is an integer number (321666984).

Almost surely, 2^2144446530 is an apocalyptic number.

2144446530 is an abundant number, since it is smaller than the sum of its proper divisors (3002225214).

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

2144446530 is a wasteful number, since it uses less digits than its factorization.

2144446530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71481561.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 2144446530 is about 46308.1691497299. The cubic root of 2144446530 is about 1289.5506577539.

The spelling of 2144446530 in words is "two billion, one hundred forty-four million, four hundred forty-six thousand, five hundred thirty".