4521801888 has 48 divisors (see below), whose sum is σ = 13188591360. Its totient is φ = 1507267008.

The previous prime is 4521801883. The next prime is 4521801913. The reversal of 4521801888 is 8881081254.

4521801888 is a `hidden beast` number, since 452 + 18 + 0 + 188 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (4521801883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615920 + ... + 2617647.

It is an arithmetic number, because the mean of its divisors is an integer number (274762320).

Almost surely, 2^4521801888 is an apocalyptic number.

4521801888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4521801888 is an abundant number, since it is smaller than the sum of its proper divisors (8666789472).

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

4521801888 is a wasteful number, since it uses less digits than its factorization.

4521801888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233586 (or 5233572 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 45.

The square root of 4521801888 is about 67244.3446544020. The cubic root of 4521801888 is about 1653.6255615665.

The spelling of 4521801888 in words is "four billion, five hundred twenty-one million, eight hundred one thousand, eight hundred eighty-eight".