4521885408 has 144 divisors (see below), whose sum is σ = 13227819696. Its totient is φ = 1464391680.

The previous prime is 4521885391. The next prime is 4521885457. The reversal of 4521885408 is 8045881254.

4521885408 is a `hidden beast` number, since 4 + 5 + 21 + 88 + 540 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3459091 + ... + 3460397.

It is an arithmetic number, because the mean of its divisors is an integer number (91859859).

Almost surely, 2^4521885408 is an apocalyptic number.

4521885408 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 4521885408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6613909848).

4521885408 is an abundant number, since it is smaller than the sum of its proper divisors (8705934288).

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

4521885408 is a wasteful number, since it uses less digits than its factorization.

4521885408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 45.

The square root of 4521885408 is about 67244.9656703013. The cubic root of 4521885408 is about 1653.6357426079.

The spelling of 4521885408 in words is "four billion, five hundred twenty-one million, eight hundred eighty-five thousand, four hundred eight".