2108423520 has 576 divisors, whose sum is σ = 8735440896. Its totient is φ = 470292480.

The previous prime is 2108423489. The next prime is 2108423533. The reversal of 2108423520 is 253248012.

2108423520 is a `hidden beast` number, since 210 + 8 + 423 + 5 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16601697 + ... + 16601823.

It is an arithmetic number, because the mean of its divisors is an integer number (15165696).

Almost surely, 2^2108423520 is an apocalyptic number.

2108423520 is a gapful number since it is divisible by the number (20) 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 2108423520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4367720448).

2108423520 is an abundant number, since it is smaller than the sum of its proper divisors (6627017376).

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

2108423520 is a wasteful number, since it uses less digits than its factorization.

2108423520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2108423520 is about 45917.5731066005. The cubic root of 2108423520 is about 1282.2891004392.

The spelling of 2108423520 in words is "two billion, one hundred eight million, four hundred twenty-three thousand, five hundred twenty".