980755421760 has 448 divisors, whose sum is σ = 3530037542400. Its totient is φ = 256285016064.

The previous prime is 980755421753. The next prime is 980755421761. The reversal of 980755421760 is 67124557089.

980755421760 is a `hidden beast` number, since 9 + 8 + 0 + 7 + 554 + 21 + 7 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 980755421697 and 980755421706.

It is not an unprimeable number, because it can be changed into a prime (980755421761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86886837 + ... + 86898123.

Almost surely, 2^980755421760 is an apocalyptic number.

980755421760 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980755421760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765018771200).

980755421760 is an abundant number, since it is smaller than the sum of its proper divisors (2549282120640).

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

980755421760 is a wasteful number, since it uses less digits than its factorization.

980755421760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11515 (or 11499 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 980755421760 in words is "nine hundred eighty billion, seven hundred fifty-five million, four hundred twenty-one thousand, seven hundred sixty".