2124340244 has 24 divisors (see below), whose sum is σ = 4017257160. Its totient is φ = 977111424.

The previous prime is 2124340177. The next prime is 2124340249. The reversal of 2124340244 is 4420434212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 100240144 + 2024100100 = 10012^2 + 44990^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124340249) 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, 54479 + ... + 84950.

It is an arithmetic number, because the mean of its divisors is an integer number (167385715).

Almost surely, 2^2124340244 is an apocalyptic number.

It is an amenable number.

2124340244 is a deficient number, since it is larger than the sum of its proper divisors (1892916916).

2124340244 is a wasteful number, since it uses less digits than its factorization.

2124340244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139739 (or 139737 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2124340244 is about 46090.5656723803. The cubic root of 2124340244 is about 1285.5077291290.

Adding to 2124340244 its reverse (4420434212), we get a palindrome (6544774456).

The spelling of 2124340244 in words is "two billion, one hundred twenty-four million, three hundred forty thousand, two hundred forty-four".