992522989440 has 320 divisors, whose sum is σ = 3548266745760. Its totient is φ = 264389971968.

The previous prime is 992522989363. The next prime is 992522989453. The reversal of 992522989440 is 44989225299.

992522989440 is a `hidden beast` number, since 9 + 9 + 252 + 298 + 94 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50948982 + ... + 50968458.

Almost surely, 2^992522989440 is an apocalyptic number.

992522989440 is a gapful number since it is divisible by the number (90) 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 992522989440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774133372880).

992522989440 is an abundant number, since it is smaller than the sum of its proper divisors (2555743756320).

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

992522989440 is a wasteful number, since it uses less digits than its factorization.

992522989440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20491 (or 20470 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 992522989440 in words is "nine hundred ninety-two billion, five hundred twenty-two million, nine hundred eighty-nine thousand, four hundred forty".