2112025440 has 144 divisors (see below), whose sum is σ = 7739150832. Its totient is φ = 482743296.

The previous prime is 2112025397. The next prime is 2112025463. The reversal of 2112025440 is 445202112.

2112025440 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21379 + ... + 68418.

It is an arithmetic number, because the mean of its divisors is an integer number (53744103).

Almost surely, 2^2112025440 is an apocalyptic number.

2112025440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112025440 is an abundant number, since it is smaller than the sum of its proper divisors (5627125392).

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

2112025440 is a wasteful number, since it uses less digits than its factorization.

2112025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89829 (or 89814 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2112025440 is about 45956.7779549437. Note that the first 3 decimals coincide. The cubic root of 2112025440 is about 1283.0188834722.

Adding to 2112025440 its reverse (445202112), we get a palindrome (2557227552).

The spelling of 2112025440 in words is "two billion, one hundred twelve million, twenty-five thousand, four hundred forty".