2105455030 has 48 divisors (see below), whose sum is σ = 4527754416. Its totient is φ = 702354240.

The previous prime is 2105455019. The next prime is 2105455031. The reversal of 2105455030 is 305545012.

It is a junction number, because it is equal to n+sod(n) for n = 2105454986 and 2105455004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105455031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39936 + ... + 76195.

It is an arithmetic number, because the mean of its divisors is an integer number (94328217).

Almost surely, 2^2105455030 is an apocalyptic number.

2105455030 is an abundant number, since it is smaller than the sum of its proper divisors (2422299386).

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

2105455030 is a wasteful number, since it uses less digits than its factorization.

2105455030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116189 (or 116182 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2105455030 is about 45885.2376042666. The cubic root of 2105455030 is about 1281.6870313053.

The spelling of 2105455030 in words is "two billion, one hundred five million, four hundred fifty-five thousand, thirty".