2113333400444 has 48 divisors (see below), whose sum is σ = 4330627338240. Its totient is φ = 883445946240.

The previous prime is 2113333400417. The next prime is 2113333400473. The reversal of 2113333400444 is 4440043333112.

It is a super-2 number, since 2×2113333400444² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113333400444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5602109 + ... + 5967435.

It is an arithmetic number, because the mean of its divisors is an integer number (90221402880).

Almost surely, 2^{2113333400444} is an apocalyptic number.

It is an amenable number.

2113333400444 is an abundant number, since it is smaller than the sum of its proper divisors (2217293937796).

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

2113333400444 is a wasteful number, since it uses less digits than its factorization.

2113333400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370418 (or 370416 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 2113333400444 its reverse (4440043333112), we get a palindrome (6553376733556).

The spelling of 2113333400444 in words is "two trillion, one hundred thirteen billion, three hundred thirty-three million, four hundred thousand, four hundred forty-four".