989028260000 has 240 divisors, whose sum is σ = 2657670523200. Its totient is φ = 359197440000.

The previous prime is 989028259969. The next prime is 989028260009. The reversal of 989028260000 is 62820989.

It is a super-3 number, since 3×989028260000³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (989028260009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 212737676 + ... + 212742324.

It is an arithmetic number, because the mean of its divisors is an integer number (11073627180).

Almost surely, 2^989028260000 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 989028260000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328835261600).

989028260000 is an abundant number, since it is smaller than the sum of its proper divisors (1668642263200).

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

989028260000 is a wasteful number, since it uses less digits than its factorization.

989028260000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657 (or 5634 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 989028260000 in words is "nine hundred eighty-nine billion, twenty-eight million, two hundred sixty thousand".