981463649280 has 704 divisors, whose sum is σ = 3401500096512. Its totient is φ = 240642949120.

The previous prime is 981463649273. The next prime is 981463649323. The reversal of 981463649280 is 82946364189.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3096099682 + ... + 3096099998.

Almost surely, 2^981463649280 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 981463649280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700750048256).

981463649280 is an abundant number, since it is smaller than the sum of its proper divisors (2420036447232).

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

981463649280 is a wasteful number, since it uses less digits than its factorization.

981463649280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 981463649280 in words is "nine hundred eighty-one billion, four hundred sixty-three million, six hundred forty-nine thousand, two hundred eighty".