2118416401240 has 16 divisors (see below), whose sum is σ = 4766436902880. Its totient is φ = 847366560480.

The previous prime is 2118416401237. The next prime is 2118416401259. The reversal of 2118416401240 is 421046148112.

It is a junction number, because it is equal to n+sod(n) for n = 2118416401196 and 2118416401205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26480204976 + ... + 26480205055.

It is an arithmetic number, because the mean of its divisors is an integer number (297902306430).

Almost surely, 2^{2118416401240} is an apocalyptic number.

2118416401240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2118416401240 is an abundant number, since it is smaller than the sum of its proper divisors (2648020501640).

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

2118416401240 is a wasteful number, since it uses less digits than its factorization.

2118416401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52960410042 (or 52960410038 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 2118416401240 in words is "two trillion, one hundred eighteen billion, four hundred sixteen million, four hundred one thousand, two hundred forty".