2112441440 has 48 divisors (see below), whose sum is σ = 5207636448. Its totient is φ = 808237056.

The previous prime is 2112441439. The next prime is 2112441491. The reversal of 2112441440 is 441442112.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 283337 + ... + 290696.

It is an arithmetic number, because the mean of its divisors is an integer number (108492426).

Almost surely, 2^2112441440 is an apocalyptic number.

2112441440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112441440 is an abundant number, since it is smaller than the sum of its proper divisors (3095195008).

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

2112441440 is a wasteful number, since it uses less digits than its factorization.

2112441440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574071 (or 574063 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2112441440 is about 45961.3037238936. The cubic root of 2112441440 is about 1283.1031155410.

Adding to 2112441440 its reverse (441442112), we get a palindrome (2553883552).

The spelling of 2112441440 in words is "two billion, one hundred twelve million, four hundred forty-one thousand, four hundred forty".