2153310444 has 18 divisors (see below), whose sum is σ = 5443090380. Its totient is φ = 717770136.

The previous prime is 2153310443. The next prime is 2153310461. The reversal of 2153310444 is 4440133512.

It is a happy number.

2153310444 is a `hidden beast` number, since 21 + 533 + 104 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2153310443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29907054 + ... + 29907125.

It is an arithmetic number, because the mean of its divisors is an integer number (302393910).

Almost surely, 2^2153310444 is an apocalyptic number.

It is an amenable number.

2153310444 is an abundant number, since it is smaller than the sum of its proper divisors (3289779936).

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

2153310444 is a wasteful number, since it uses less digits than its factorization.

2153310444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59814189 (or 59814184 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2153310444 is about 46403.7761825479. The cubic root of 2153310444 is about 1291.3249699964.

Adding to 2153310444 its reverse (4440133512), we get a palindrome (6593443956).

The spelling of 2153310444 in words is "two billion, one hundred fifty-three million, three hundred ten thousand, four hundred forty-four".