985450936120 has 128 divisors (see below), whose sum is σ = 2559392640000. Its totient is φ = 334499069952.

The previous prime is 985450936081. The next prime is 985450936121. The reversal of 985450936120 is 21639054589.

It is a super-2 number, since 2×985450936120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985450936121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13937016 + ... + 14007544.

It is an arithmetic number, because the mean of its divisors is an integer number (19995255000).

Almost surely, 2^985450936120 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 985450936120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279696320000).

985450936120 is an abundant number, since it is smaller than the sum of its proper divisors (1573941703880).

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

985450936120 is a wasteful number, since it uses less digits than its factorization.

985450936120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71045 (or 71041 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 985450936120 in words is "nine hundred eighty-five billion, four hundred fifty million, nine hundred thirty-six thousand, one hundred twenty".