899450880 has 384 divisors, whose sum is σ = 3207859200. Its totient is φ = 214106112.

The previous prime is 899450879. The next prime is 899451001. The reversal of 899450880 is 88054998.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13424607 + ... + 13424673.

It is an arithmetic number, because the mean of its divisors is an integer number (8353800).

Almost surely, 2^899450880 is an apocalyptic number.

899450880 is a gapful number since it is divisible by the number (80) 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 899450880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603929600).

899450880 is an abundant number, since it is smaller than the sum of its proper divisors (2308408320).

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

899450880 is a wasteful number, since it uses less digits than its factorization.

899450880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 899450880 is about 29990.8466035889. The cubic root of 899450880 is about 965.2929855715.

The spelling of 899450880 in words is "eight hundred ninety-nine million, four hundred fifty thousand, eight hundred eighty".