2105354430 has 96 divisors (see below), whose sum is σ = 5697959904. Its totient is φ = 559322496.

The previous prime is 2105354401. The next prime is 2105354453. The reversal of 2105354430 is 344535012.

2105354430 is a `hidden beast` number, since 210 + 5 + 3 + 5 + 443 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2105354394 and 2105354403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 710512 + ... + 713468.

It is an arithmetic number, because the mean of its divisors is an integer number (59353749).

Almost surely, 2^2105354430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105354430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2848979952).

2105354430 is an abundant number, since it is smaller than the sum of its proper divisors (3592605474).

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

2105354430 is a wasteful number, since it uses less digits than its factorization.

2105354430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2105354430 is about 45884.1413780404. The cubic root of 2105354430 is about 1281.6666177024. Note that the first 4 decimals are identical.

Adding to 2105354430 its reverse (344535012), we get a palindrome (2449889442).

The spelling of 2105354430 in words is "two billion, one hundred five million, three hundred fifty-four thousand, four hundred thirty".