2100622608 has 240 divisors, whose sum is σ = 6964562176. Its totient is φ = 578534400.

The previous prime is 2100622583. The next prime is 2100622631. The reversal of 2100622608 is 8062260012.

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, 5631510 + ... + 5631882.

Almost surely, 2^2100622608 is an apocalyptic number.

2100622608 is a gapful number since it is divisible by the number (28) 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 2100622608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3482281088).

2100622608 is an abundant number, since it is smaller than the sum of its proper divisors (4863939568).

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

2100622608 is a wasteful number, since it uses less digits than its factorization.

2100622608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2100622608 is about 45832.5496563305. The cubic root of 2100622608 is about 1280.7057078528.

The spelling of 2100622608 in words is "two billion, one hundred million, six hundred twenty-two thousand, six hundred eight".