2106275500 has 96 divisors (see below), whose sum is σ = 5270848128. Its totient is φ = 720288000.

The previous prime is 2106275489. The next prime is 2106275599. The reversal of 2106275500 is 55726012.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2565090 + ... + 2565910.

It is an arithmetic number, because the mean of its divisors is an integer number (54904668).

Almost surely, 2^2106275500 is an apocalyptic number.

2106275500 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 2106275500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2635424064).

2106275500 is an abundant number, since it is smaller than the sum of its proper divisors (3164572628).

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

2106275500 is a wasteful number, since it uses less digits than its factorization.

2106275500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2106275500 is about 45894.1771905761. The cubic root of 2106275500 is about 1281.8534955892.

The spelling of 2106275500 in words is "two billion, one hundred six million, two hundred seventy-five thousand, five hundred".