2152199808 has 320 divisors, whose sum is σ = 7091219520. Its totient is φ = 642539520.

The previous prime is 2152199807. The next prime is 2152199821. The reversal of 2152199808 is 8089912512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152199807) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12887341 + ... + 12887507.

It is an arithmetic number, because the mean of its divisors is an integer number (22160061).

Almost surely, 2^2152199808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152199808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3545609760).

2152199808 is an abundant number, since it is smaller than the sum of its proper divisors (4939019712).

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

2152199808 is a wasteful number, since it uses less digits than its factorization.

2152199808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 2152199808 is about 46391.8075526272. The cubic root of 2152199808 is about 1291.1029183100.

The spelling of 2152199808 in words is "two billion, one hundred fifty-two million, one hundred ninety-nine thousand, eight hundred eight".