2105535544 has 96 divisors (see below), whose sum is σ = 4858691040. Its totient is φ = 834969600.

The previous prime is 2105535503. The next prime is 2105535557. The reversal of 2105535544 is 4455355012.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13943869 + ... + 13944019.

It is an arithmetic number, because the mean of its divisors is an integer number (50611365).

Almost surely, 2^2105535544 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 2105535544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2429345520).

2105535544 is an abundant number, since it is smaller than the sum of its proper divisors (2753155496).

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

2105535544 is a wasteful number, since it uses less digits than its factorization.

2105535544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2105535544 is about 45886.1149368739. The cubic root of 2105535544 is about 1281.7033686185.

The spelling of 2105535544 in words is "two billion, one hundred five million, five hundred thirty-five thousand, five hundred forty-four".