9980475400 has 96 divisors (see below), whose sum is σ = 26969256000. Its totient is φ = 3363851520.

The previous prime is 9980475377. The next prime is 9980475409. The reversal of 9980475400 is 45740899.

It is not an unprimeable number, because it can be changed into a prime (9980475409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22186 + ... + 143014.

It is an arithmetic number, because the mean of its divisors is an integer number (280929750).

Almost surely, 2^9980475400 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 9980475400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13484628000).

9980475400 is an abundant number, since it is smaller than the sum of its proper divisors (16988780600).

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

9980475400 is a wasteful number, since it uses less digits than its factorization.

9980475400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120911 (or 120902 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 9980475400 is about 99902.3293021739. The cubic root of 9980475400 is about 2153.0316273091.

The spelling of 9980475400 in words is "nine billion, nine hundred eighty million, four hundred seventy-five thousand, four hundred".