2112867744 has 144 divisors (see below), whose sum is σ = 6200941824. Its totient is φ = 628992000.

The previous prime is 2112867739. The next prime is 2112867781. The reversal of 2112867744 is 4477682112.

It is a junction number, because it is equal to n+sod(n) for n = 2112867696 and 2112867705.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500844 + ... + 505044.

It is an arithmetic number, because the mean of its divisors is an integer number (43062096).

Almost surely, 2^2112867744 is an apocalyptic number.

2112867744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112867744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3100470912).

2112867744 is an abundant number, since it is smaller than the sum of its proper divisors (4088074080).

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

2112867744 is a wasteful number, since it uses less digits than its factorization.

2112867744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4250 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 2112867744 is about 45965.9411303630. The cubic root of 2112867744 is about 1283.1894225014.

The spelling of 2112867744 in words is "two billion, one hundred twelve million, eight hundred sixty-seven thousand, seven hundred forty-four".