2140344544 has 24 divisors (see below), whose sum is σ = 4537942920. Its totient is φ = 987851136.

The previous prime is 2140344533. The next prime is 2140344553. The reversal of 2140344544 is 4454430412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572114 + ... + 2572945.

It is an arithmetic number, because the mean of its divisors is an integer number (189080955).

Almost surely, 2^2140344544 is an apocalyptic number.

It is an amenable number.

2140344544 is an abundant number, since it is smaller than the sum of its proper divisors (2397598376).

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

2140344544 is a wasteful number, since it uses less digits than its factorization.

2140344544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145082 (or 5145074 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 2140344544 is about 46263.8578590243. The cubic root of 2140344544 is about 1288.7278976529.

Adding to 2140344544 its reverse (4454430412), we get a palindrome (6594774956).

The spelling of 2140344544 in words is "two billion, one hundred forty million, three hundred forty-four thousand, five hundred forty-four".