2113400341044 has 18 divisors (see below), whose sum is σ = 5342206417730. Its totient is φ = 704466780336.

The previous prime is 2113400341007. The next prime is 2113400341067. The reversal of 2113400341044 is 4401430043112.

2113400341044 is a `hidden beast` number, since 211 + 3 + 400 + 3 + 4 + 1 + 0 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1122459729444 + 990940611600 = 1059462^2 + 995460^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2113400341044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2113400340999 and 2113400341017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29352782479 + ... + 29352782550.

Almost surely, 2^{2113400341044} is an apocalyptic number.

It is an amenable number.

2113400341044 is an abundant number, since it is smaller than the sum of its proper divisors (3228806076686).

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

2113400341044 is a wasteful number, since it uses less digits than its factorization.

2113400341044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58705565039 (or 58705565034 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2113400341044 its reverse (4401430043112), we get a palindrome (6514830384156).

The spelling of 2113400341044 in words is "two trillion, one hundred thirteen billion, four hundred million, three hundred forty-one thousand, forty-four".