988099522800 has 240 divisors, whose sum is σ = 3410404303488. Its totient is φ = 243102182400.

The previous prime is 988099522793. The next prime is 988099522873. The reversal of 988099522800 is 8225990889.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×988099522800³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 33228739 + ... + 33258461.

Almost surely, 2^988099522800 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 988099522800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1705202151744).

988099522800 is an abundant number, since it is smaller than the sum of its proper divisors (2422304780688).

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

988099522800 is a wasteful number, since it uses less digits than its factorization.

988099522800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31888 (or 31877 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 988099522800 in words is "nine hundred eighty-eight billion, ninety-nine million, five hundred twenty-two thousand, eight hundred".