2112403301440 has 56 divisors (see below), whose sum is σ = 5166110670552. Its totient is φ = 822124523520.

The previous prime is 2112403301401. The next prime is 2112403301453. The reversal of 2112403301440 is 441033042112.

It can be written as a sum of positive squares in 4 ways, for example, as 102722814016 + 2009680487424 = 320504^2 + 1417632^2 .

It is a super-2 number, since 2×2112403301440² (a number of 25 digits) contains 22 as substring.

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, 89194381 + ... + 89218060.

Almost surely, 2^{2112403301440} is an apocalyptic number.

2112403301440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112403301440 is an abundant number, since it is smaller than the sum of its proper divisors (3053707369112).

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

2112403301440 is a wasteful number, since it uses less digits than its factorization.

2112403301440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178412495 (or 178412485 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2112403301440 its reverse (441033042112), we get a palindrome (2553436343552).

The spelling of 2112403301440 in words is "two trillion, one hundred twelve billion, four hundred three million, three hundred one thousand, four hundred forty".