298996769280 has 240 divisors, whose sum is σ = 1050654128832. Its totient is φ = 72483840000.

The previous prime is 298996769251. The next prime is 298996769287. The reversal of 298996769280 is 82967699892.

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (298996769287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768405 + ... + 1090155.

Almost surely, 2^298996769280 is an apocalyptic number.

298996769280 is a gapful number since it is divisible by the number (20) 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 298996769280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525327064416).

298996769280 is an abundant number, since it is smaller than the sum of its proper divisors (751657359552).

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

298996769280 is a wasteful number, since it uses less digits than its factorization.

298996769280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321799 (or 321772 counting only the distinct ones).

The product of its (nonzero) digits is 423263232, while the sum is 75.

The spelling of 298996769280 in words is "two hundred ninety-eight billion, nine hundred ninety-six million, seven hundred sixty-nine thousand, two hundred eighty".