2112030240 has 96 divisors (see below), whose sum is σ = 6737230080. Its totient is φ = 556068864.

The previous prime is 2112030227. The next prime is 2112030247. The reversal of 2112030240 is 420302112.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2112030247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10072 + ... + 65768.

It is an arithmetic number, because the mean of its divisors is an integer number (70179480).

Almost surely, 2^2112030240 is an apocalyptic number.

2112030240 is a gapful number since it is divisible by the number (20) 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 2112030240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3368615040).

2112030240 is an abundant number, since it is smaller than the sum of its proper divisors (4625199840).

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

2112030240 is a wasteful number, since it uses less digits than its factorization.

2112030240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55794 (or 55786 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2112030240 is about 45956.8301778963. The cubic root of 2112030240 is about 1283.0198554437.

Adding to 2112030240 its reverse (420302112), we get a palindrome (2532332352).

It can be divided in two parts, 21120 and 30240, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 2112030240 in words is "two billion, one hundred twelve million, thirty thousand, two hundred forty".