4523669856 has 120 divisors (see below), whose sum is σ = 13402148760. Its totient is φ = 1496765952.

The previous prime is 4523669809. The next prime is 4523669863. The reversal of 4523669856 is 6589663254.

4523669856 is a `hidden beast` number, since 4 + 523 + 6 + 69 + 8 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 348735 + ... + 361473.

It is an arithmetic number, because the mean of its divisors is an integer number (111684573).

Almost surely, 2^4523669856 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 4523669856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6701074380).

4523669856 is an abundant number, since it is smaller than the sum of its proper divisors (8878478904).

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

4523669856 is a wasteful number, since it uses less digits than its factorization.

4523669856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12898 (or 12881 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The square root of 4523669856 is about 67258.2326261997. The cubic root of 4523669856 is about 1653.8532358772.

The spelling of 4523669856 in words is "four billion, five hundred twenty-three million, six hundred sixty-nine thousand, eight hundred fifty-six".