4556857536 has 336 divisors, whose sum is σ = 16432865280. Its totient is φ = 1172828160.

The previous prime is 4556857523. The next prime is 4556857537. The reversal of 4556857536 is 6357586554.

It is a happy number.

4556857536 is a `hidden beast` number, since 4 + 5 + 5 + 68 + 575 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4556857537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5632300 + ... + 5633108.

Almost surely, 2^4556857536 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 4556857536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8216432640).

4556857536 is an abundant number, since it is smaller than the sum of its proper divisors (11876007744).

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

4556857536 is a wasteful number, since it uses less digits than its factorization.

4556857536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 959 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 54.

The square root of 4556857536 is about 67504.5001166589. The cubic root of 4556857536 is about 1657.8878561096.

The spelling of 4556857536 in words is "four billion, five hundred fifty-six million, eight hundred fifty-seven thousand, five hundred thirty-six".