9000990210 has 96 divisors (see below), whose sum is σ = 22394351232. Its totient is φ = 2314896640.

The previous prime is 9000990209. The next prime is 9000990287. The reversal of 9000990210 is 120990009.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4704214 + ... + 4706126.

It is an arithmetic number, because the mean of its divisors is an integer number (233274492).

Almost surely, 2^9000990210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9000990210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11197175616).

9000990210 is an abundant number, since it is smaller than the sum of its proper divisors (13393361022).

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

9000990210 is a wasteful number, since it uses less digits than its factorization.

9000990210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 9000990210 is about 94873.5485264465. The cubic root of 9000990210 is about 2080.1601061729.

The spelling of 9000990210 in words is "nine billion, nine hundred ninety thousand, two hundred ten".