899525120 has 160 divisors (see below), whose sum is σ = 2351099520. Its totient is φ = 328089600.

The previous prime is 899525083. The next prime is 899525129. The reversal of 899525120 is 21525998.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×899525120² = 1618290883022028800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (899525129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5025191 + ... + 5025369.

It is an arithmetic number, because the mean of its divisors is an integer number (14694372).

Almost surely, 2^899525120 is an apocalyptic number.

899525120 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 899525120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175549760).

899525120 is an abundant number, since it is smaller than the sum of its proper divisors (1451574400).

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

899525120 is a wasteful number, since it uses less digits than its factorization.

899525120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 899525120 is about 29992.0842890253. The cubic root of 899525120 is about 965.3195430268.

The spelling of 899525120 in words is "eight hundred ninety-nine million, five hundred twenty-five thousand, one hundred twenty".