2112300440 has 32 divisors (see below), whose sum is σ = 4759696080. Its totient is φ = 843672192.

The previous prime is 2112300431. The next prime is 2112300467. The reversal of 2112300440 is 440032112.

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, 11339 + ... + 65978.

Almost surely, 2^2112300440 is an apocalyptic number.

2112300440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112300440 is an abundant number, since it is smaller than the sum of its proper divisors (2647395640).

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

2112300440 is a wasteful number, since it uses less digits than its factorization.

2112300440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78011 (or 78007 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2112300440 is about 45959.7697992494. The cubic root of 2112300440 is about 1283.0745669682.

Adding to 2112300440 its reverse (440032112), we get a palindrome (2552332552).

The spelling of 2112300440 in words is "two billion, one hundred twelve million, three hundred thousand, four hundred forty".