2153446830 has 64 divisors (see below), whose sum is σ = 5784540480. Its totient is φ = 570051072.

The previous prime is 2153446819. The next prime is 2153446847. The reversal of 2153446830 is 386443512.

2153446830 is a `hidden beast` number, since 2 + 1 + 534 + 46 + 83 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7882 + ... + 66098.

It is an arithmetic number, because the mean of its divisors is an integer number (90383445).

Almost surely, 2^2153446830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153446830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2892270240).

2153446830 is an abundant number, since it is smaller than the sum of its proper divisors (3631093650).

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

2153446830 is a wasteful number, since it uses less digits than its factorization.

2153446830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58370 (or 58364 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2153446830 is about 46405.2457164058. The cubic root of 2153446830 is about 1291.3522326591.

The spelling of 2153446830 in words is "two billion, one hundred fifty-three million, four hundred forty-six thousand, eight hundred thirty".