2144323040 has 48 divisors (see below), whose sum is σ = 5074459488. Its totient is φ = 856290816.

The previous prime is 2144323019. The next prime is 2144323073. The reversal of 2144323040 is 403234412.

It is a junction number, because it is equal to n+sod(n) for n = 2144322997 and 2144323015.

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, 87149 + ... + 109011.

It is an arithmetic number, because the mean of its divisors is an integer number (105717906).

Almost surely, 2^2144323040 is an apocalyptic number.

2144323040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144323040 is an abundant number, since it is smaller than the sum of its proper divisors (2930136448).

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

2144323040 is a wasteful number, since it uses less digits than its factorization.

2144323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22491 (or 22483 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2144323040 is about 46306.8357804763. The cubic root of 2144323040 is about 1289.5259039437.

Adding to 2144323040 its reverse (403234412), we get a palindrome (2547557452).

The spelling of 2144323040 in words is "two billion, one hundred forty-four million, three hundred twenty-three thousand, forty".