2105464368 has 80 divisors (see below), whose sum is σ = 6232743936. Its totient is φ = 599953920.

The previous prime is 2105464327. The next prime is 2105464369. The reversal of 2105464368 is 8634645012.

It is not an unprimeable number, because it can be changed into a prime (2105464369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120508 + ... + 136868.

Almost surely, 2^2105464368 is an apocalyptic number.

2105464368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105464368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3116371968).

2105464368 is an abundant number, since it is smaller than the sum of its proper divisors (4127279568).

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

2105464368 is a wasteful number, since it uses less digits than its factorization.

2105464368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16762 (or 16756 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2105464368 is about 45885.3393580128. The cubic root of 2105464368 is about 1281.6889261255.

The spelling of 2105464368 in words is "two billion, one hundred five million, four hundred sixty-four thousand, three hundred sixty-eight".