2153355456 has 224 divisors, whose sum is σ = 6987479040. Its totient is φ = 571244544.

The previous prime is 2153355401. The next prime is 2153355467. The reversal of 2153355456 is 6545533512.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1804396 + ... + 1805588.

Almost surely, 2^2153355456 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 2153355456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3493739520).

2153355456 is an abundant number, since it is smaller than the sum of its proper divisors (4834123584).

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

2153355456 is a wasteful number, since it uses less digits than its factorization.

2153355456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1301 counting only the distinct ones).

The product of its digits is 270000, while the sum is 39.

The square root of 2153355456 is about 46404.2611836456. The cubic root of 2153355456 is about 1291.3339677258. Note that the first 3 decimals are identical.

Adding to 2153355456 its reverse (6545533512), we get a palindrome (8698888968).

The spelling of 2153355456 in words is "two billion, one hundred fifty-three million, three hundred fifty-five thousand, four hundred fifty-six".