2143012044 has 48 divisors (see below), whose sum is σ = 5300025696. Its totient is φ = 671616000.

The previous prime is 2143012037. The next prime is 2143012063. The reversal of 2143012044 is 4402103412.

It is a self number, because there is not a number n which added to its sum of digits gives 2143012044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211494 + ... + 221394.

It is an arithmetic number, because the mean of its divisors is an integer number (110417202).

Almost surely, 2^2143012044 is an apocalyptic number.

It is an amenable number.

2143012044 is an abundant number, since it is smaller than the sum of its proper divisors (3157013652).

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

2143012044 is a wasteful number, since it uses less digits than its factorization.

2143012044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10986 (or 10984 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2143012044 is about 46292.6780819602. The cubic root of 2143012044 is about 1289.2630536310.

Adding to 2143012044 its reverse (4402103412), we get a palindrome (6545115456).

The spelling of 2143012044 in words is "two billion, one hundred forty-three million, twelve thousand, forty-four".