2112093640 has 32 divisors (see below), whose sum is σ = 4757833080. Its totient is φ = 843837952.

The previous prime is 2112093631. The next prime is 2112093647. The reversal of 2112093640 is 463902112.

It can be written as a sum of positive squares in 4 ways, for example, as 1465205284 + 646888356 = 38278^2 + 25434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2112093599 and 2112093608.

It is not an unprimeable number, because it can be changed into a prime (2112093647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3474 + ... + 65086.

Almost surely, 2^2112093640 is an apocalyptic number.

2112093640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112093640 is an abundant number, since it is smaller than the sum of its proper divisors (2645739440).

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

2112093640 is a wasteful number, since it uses less digits than its factorization.

2112093640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62481 (or 62477 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2112093640 is about 45957.5199504934. The cubic root of 2112093640 is about 1283.0326934299.

Adding to 2112093640 its reverse (463902112), we get a palindrome (2575995752).

The spelling of 2112093640 in words is "two billion, one hundred twelve million, ninety-three thousand, six hundred forty".