2112465740 has 48 divisors (see below), whose sum is σ = 5530823424. Its totient is φ = 658430400.

The previous prime is 2112465703. The next prime is 2112465749. The reversal of 2112465740 is 475642112.

It is a junction number, because it is equal to n+sod(n) for n = 2112465697 and 2112465706.

It is not an unprimeable number, because it can be changed into a prime (2112465749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684326 + ... + 687405.

It is an arithmetic number, because the mean of its divisors is an integer number (115225488).

Almost surely, 2^2112465740 is an apocalyptic number.

2112465740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112465740 is an abundant number, since it is smaller than the sum of its proper divisors (3418357684).

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

2112465740 is a wasteful number, since it uses less digits than its factorization.

2112465740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371758 (or 1371756 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2112465740 is about 45961.5680759480. The cubic root of 2112465740 is about 1283.1080354858.

The spelling of 2112465740 in words is "two billion, one hundred twelve million, four hundred sixty-five thousand, seven hundred forty".