4578502656 has 384 divisors, whose sum is σ = 15850598400. Its totient is φ = 1141309440.

The previous prime is 4578502651. The next prime is 4578502657. The reversal of 4578502656 is 6562058754.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4578502651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10622761 + ... + 10623191.

It is an arithmetic number, because the mean of its divisors is an integer number (41277600).

Almost surely, 2^4578502656 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 4578502656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7925299200).

4578502656 is an abundant number, since it is smaller than the sum of its proper divisors (11272095744).

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

4578502656 is a wasteful number, since it uses less digits than its factorization.

4578502656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The square root of 4578502656 is about 67664.6337165879. The cubic root of 4578502656 is about 1660.5087055617.

The spelling of 4578502656 in words is "four billion, five hundred seventy-eight million, five hundred two thousand, six hundred fifty-six".