2105425404 has 36 divisors (see below), whose sum is σ = 5505569160. Its totient is φ = 677607840.

The previous prime is 2105425403. The next prime is 2105425423. The reversal of 2105425404 is 4045245012.

2105425404 is a `hidden beast` number, since 210 + 5 + 42 + 5 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2105425404² = 8865632263617126432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105425403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1007302 + ... + 1009389.

Almost surely, 2^2105425404 is an apocalyptic number.

It is an amenable number.

2105425404 is an abundant number, since it is smaller than the sum of its proper divisors (3400143756).

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

2105425404 is a wasteful number, since it uses less digits than its factorization.

2105425404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016730 (or 2016725 counting only the distinct ones).

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

The square root of 2105425404 is about 45884.9147759915. The cubic root of 2105425404 is about 1281.6810197089.

The spelling of 2105425404 in words is "two billion, one hundred five million, four hundred twenty-five thousand, four hundred four".