899400180 has 96 divisors (see below), whose sum is σ = 2910539520. Its totient is φ = 203258880.

The previous prime is 899400167. The next prime is 899400193. The reversal of 899400180 is 81004998.

It is an interprime number because it is at equal distance from previous prime (899400167) and next prime (899400193).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25350 + ... + 49410.

It is an arithmetic number, because the mean of its divisors is an integer number (30318120).

Almost surely, 2^899400180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899400180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455269760).

899400180 is an abundant number, since it is smaller than the sum of its proper divisors (2011139340).

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

899400180 is a wasteful number, since it uses less digits than its factorization.

899400180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24169 (or 24167 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 899400180 is about 29990.0013337779. The cubic root of 899400180 is about 965.2748481075.

The spelling of 899400180 in words is "eight hundred ninety-nine million, four hundred thousand, one hundred eighty".