980720442 has 48 divisors (see below), whose sum is σ = 2300433408. Its totient is φ = 300166560.

The previous prime is 980720441. The next prime is 980720449. The reversal of 980720442 is 244027089.

It is a junction number, because it is equal to n+sod(n) for n = 980720397 and 980720406.

It is not an unprimeable number, because it can be changed into a prime (980720441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33723 + ... + 55665.

It is an arithmetic number, because the mean of its divisors is an integer number (47925696).

Almost surely, 2^980720442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980720442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150216704).

980720442 is an abundant number, since it is smaller than the sum of its proper divisors (1319712966).

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

980720442 is a wasteful number, since it uses less digits than its factorization.

980720442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22155 (or 22152 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 980720442 is about 31316.4564087318. The cubic root of 980720442 is about 993.5317323883.

The spelling of 980720442 in words is "nine hundred eighty million, seven hundred twenty thousand, four hundred forty-two".