4581051552 has 432 divisors, whose sum is σ = 17159923872. Its totient is φ = 1188794880.

The previous prime is 4581051493. The next prime is 4581051577. The reversal of 4581051552 is 2551501854.

4581051552 is a `hidden beast` number, since 4 + 58 + 1 + 0 + 51 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4190718 + ... + 4191810.

It is an arithmetic number, because the mean of its divisors is an integer number (39722046).

Almost surely, 2^4581051552 is an apocalyptic number.

4581051552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4581051552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8579961936).

4581051552 is an abundant number, since it is smaller than the sum of its proper divisors (12578872320).

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

4581051552 is a wasteful number, since it uses less digits than its factorization.

4581051552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The square root of 4581051552 is about 67683.4658687039. The cubic root of 4581051552 is about 1660.8167887307.

The spelling of 4581051552 in words is "four billion, five hundred eighty-one million, fifty-one thousand, five hundred fifty-two".