2159825472 has 280 divisors, whose sum is σ = 7461723456. Its totient is φ = 604910592.

The previous prime is 2159825471. The next prime is 2159825497. The reversal of 2159825472 is 2745289512.

2159825472 is a `hidden beast` number, since 2 + 1 + 598 + 2 + 54 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2159825471) 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, 1922703 + ... + 1923825.

Almost surely, 2^2159825472 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 2159825472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3730861728).

2159825472 is an abundant number, since it is smaller than the sum of its proper divisors (5301897984).

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

2159825472 is a wasteful number, since it uses less digits than its factorization.

2159825472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1188 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 2159825472 is about 46473.9224942333. The cubic root of 2159825472 is about 1292.6259974168.

The spelling of 2159825472 in words is "two billion, one hundred fifty-nine million, eight hundred twenty-five thousand, four hundred seventy-two".