2105444502 has 80 divisors (see below), whose sum is σ = 5407480320. Its totient is φ = 599797872.

The previous prime is 2105444501. The next prime is 2105444507. The reversal of 2105444502 is 2054445012.

2105444502 is a `hidden beast` number, since 210 + 5 + 4 + 445 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105444501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 413649 + ... + 418707.

It is an arithmetic number, because the mean of its divisors is an integer number (67593504).

Almost surely, 2^2105444502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105444502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2703740160).

2105444502 is an abundant number, since it is smaller than the sum of its proper divisors (3302035818).

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

2105444502 is a wasteful number, since it uses less digits than its factorization.

2105444502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447 (or 5438 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2105444502 is about 45885.1228831306. The cubic root of 2105444502 is about 1281.6848950096.

Adding to 2105444502 its reverse (2054445012), we get a palindrome (4159889514).

It can be divided in two parts, 21054 and 44502, that added together give a palindrome (65556).

The spelling of 2105444502 in words is "two billion, one hundred five million, four hundred forty-four thousand, five hundred two".