2112244040 has 16 divisors (see below), whose sum is σ = 4752549180. Its totient is φ = 844897600.

The previous prime is 2112244039. The next prime is 2112244103. The reversal of 2112244040 is 404422112.

It can be written as a sum of positive squares in 2 ways, for example, as 2112137764 + 106276 = 45958^2 + 326^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 26403011 + ... + 26403090.

Almost surely, 2^2112244040 is an apocalyptic number.

2112244040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112244040 is an abundant number, since it is smaller than the sum of its proper divisors (2640305140).

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

2112244040 is a wasteful number, since it uses less digits than its factorization.

2112244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52806112 (or 52806108 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2112244040 is about 45959.1562150569. The cubic root of 2112244040 is about 1283.0631471833.

Adding to 2112244040 its reverse (404422112), we get a palindrome (2516666152).

The spelling of 2112244040 in words is "two billion, one hundred twelve million, two hundred forty-four thousand, forty".