990533332200 has 288 divisors, whose sum is σ = 3367288229760. Its totient is φ = 240029798400.

The previous prime is 990533332181. The next prime is 990533332219. The reversal of 990533332200 is 2233335099.

It is an interprime number because it is at equal distance from previous prime (990533332181) and next prime (990533332219).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8520465 + ... + 8635935.

It is an arithmetic number, because the mean of its divisors is an integer number (11691973020).

Almost surely, 2^990533332200 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 990533332200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683644114880).

990533332200 is an abundant number, since it is smaller than the sum of its proper divisors (2376754897560).

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

990533332200 is a wasteful number, since it uses less digits than its factorization.

990533332200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115565 (or 115527 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 39.

Adding to 990533332200 its reverse (2233335099), we get a palindrome (992766667299).

The spelling of 990533332200 in words is "nine hundred ninety billion, five hundred thirty-three million, three hundred thirty-two thousand, two hundred".