4155523456 has 128 divisors (see below), whose sum is σ = 9656136000. Its totient is φ = 1744699392.

The previous prime is 4155523451. The next prime is 4155523457. The reversal of 4155523456 is 6543255514.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155523451) 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 15 ways as a sum of consecutive naturals, for example, 11906770 + ... + 11907118.

Almost surely, 2^4155523456 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 4155523456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4828068000).

4155523456 is an abundant number, since it is smaller than the sum of its proper divisors (5500612544).

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

4155523456 is a wasteful number, since it uses less digits than its factorization.

4155523456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 592 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

The square root of 4155523456 is about 64463.3497112894. The cubic root of 4155523456 is about 1607.7132067750.

The spelling of 4155523456 in words is "four billion, one hundred fifty-five million, five hundred twenty-three thousand, four hundred fifty-six".