2183210148444 has 96 divisors (see below), whose sum is σ = 5543309882880. Its totient is φ = 664769913600.

The previous prime is 2183210148359. The next prime is 2183210148473. The reversal of 2183210148444 is 4448410123812.

It is a super-2 number, since 2×2183210148444² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2183210148396 and 2183210148405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7187734 + ... + 7485314.

It is an arithmetic number, because the mean of its divisors is an integer number (57742811280).

Almost surely, 2^{2183210148444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2183210148444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2771654941440).

2183210148444 is an abundant number, since it is smaller than the sum of its proper divisors (3360099734436).

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

2183210148444 is a wasteful number, since it uses less digits than its factorization.

2183210148444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298091 (or 298089 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 2183210148444 in words is "two trillion, one hundred eighty-three billion, two hundred ten million, one hundred forty-eight thousand, four hundred forty-four".