2100403204444 has 48 divisors (see below), whose sum is σ = 3884720313600. Its totient is φ = 990935358336.

The previous prime is 2100403204439. The next prime is 2100403204457. The reversal of 2100403204444 is 4444023040012.

It is a super-2 number, since 2×2100403204444² (a number of 25 digits) contains 22 as substring.

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, 19594297 + ... + 19701199.

It is an arithmetic number, because the mean of its divisors is an integer number (80931673200).

Almost surely, 2^{2100403204444} is an apocalyptic number.

It is an amenable number.

2100403204444 is a deficient number, since it is larger than the sum of its proper divisors (1784317109156).

2100403204444 is a wasteful number, since it uses less digits than its factorization.

2100403204444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107962 (or 107960 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2100403204444 its reverse (4444023040012), we get a palindrome (6544426244456).

The spelling of 2100403204444 in words is "two trillion, one hundred billion, four hundred three million, two hundred four thousand, four hundred forty-four".