2105004408 has 128 divisors (see below), whose sum is σ = 5909729280. Its totient is φ = 620421120.

The previous prime is 2105004389. The next prime is 2105004437. The reversal of 2105004408 is 8044005012.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 995160 + ... + 997272.

It is an arithmetic number, because the mean of its divisors is an integer number (46169760).

Almost surely, 2^2105004408 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 2105004408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2954864640).

2105004408 is an abundant number, since it is smaller than the sum of its proper divisors (3804724872).

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

2105004408 is a wasteful number, since it uses less digits than its factorization.

2105004408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2105004408 is about 45880.3270258615. The cubic root of 2105004408 is about 1281.5955866890.

The spelling of 2105004408 in words is "two billion, one hundred five million, four thousand, four hundred eight".