2100444044550 has 72 divisors (see below), whose sum is σ = 5339251931928. Its totient is φ = 546456921600.

The previous prime is 2100444044533. The next prime is 2100444044609. The reversal of 2100444044550 is 554404440012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3912919 + ... + 4417218.

Almost surely, 2^{2100444044550} is an apocalyptic number.

2100444044550 is an abundant number, since it is smaller than the sum of its proper divisors (3238807887378).

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

2100444044550 is a wasteful number, since it uses less digits than its factorization.

2100444044550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8330234 (or 8330188 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 2100444044550 its reverse (554404440012), we get a palindrome (2654848484562).

The spelling of 2100444044550 in words is "two trillion, one hundred billion, four hundred forty-four million, forty-four thousand, five hundred fifty".