2112465340 has 24 divisors (see below), whose sum is σ = 4437074880. Its totient is φ = 844815168.

The previous prime is 2112465283. The next prime is 2112465367. The reversal of 2112465340 is 435642112.

It is a junction number, because it is equal to n+sod(n) for n = 2112465299 and 2112465308.

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, 148374 + ... + 161986.

It is an arithmetic number, because the mean of its divisors is an integer number (184878120).

Almost surely, 2^2112465340 is an apocalyptic number.

2112465340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112465340 is an abundant number, since it is smaller than the sum of its proper divisors (2324609540).

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

2112465340 is a wasteful number, since it uses less digits than its factorization.

2112465340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21381 (or 21379 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2112465340 is about 45961.5637244861. The cubic root of 2112465340 is about 1283.1079544994.

The spelling of 2112465340 in words is "two billion, one hundred twelve million, four hundred sixty-five thousand, three hundred forty".