4505997888 has 168 divisors, whose sum is σ = 14789261760. Its totient is φ = 1284940800.

The previous prime is 4505997887. The next prime is 4505997913. The reversal of 4505997888 is 8887995054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (4505997887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3462838 + ... + 3464138.

It is an arithmetic number, because the mean of its divisors is an integer number (88031320).

Almost surely, 2^4505997888 is an apocalyptic number.

4505997888 is a gapful number since it is divisible by the number (48) 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 4505997888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7394630880).

4505997888 is an abundant number, since it is smaller than the sum of its proper divisors (10283263872).

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

4505997888 is a wasteful number, since it uses less digits than its factorization.

4505997888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The square root of 4505997888 is about 67126.7300559174. The cubic root of 4505997888 is about 1651.6968021285.

The spelling of 4505997888 in words is "four billion, five hundred five million, nine hundred ninety-seven thousand, eight hundred eighty-eight".