298421883818688 has 1344 divisors, whose sum is σ = 1019548361760768. Its totient is φ = 76529894031360.

The previous prime is 298421883818603. The next prime is 298421883818741. The reversal of 298421883818688 is 886818388124892.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a self number, because there is not a number n which added to its sum of digits gives 298421883818688.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 78677004120 + ... + 78677007912.

It is an arithmetic number, because the mean of its divisors is an integer number (758592531072).

Almost surely, 2^{298421883818688} is an apocalyptic number.

298421883818688 is a gapful number since it is divisible by the number (28) 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 298421883818688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509774180880384).

298421883818688 is an abundant number, since it is smaller than the sum of its proper divisors (721126477942080).

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

298421883818688 is a wasteful number, since it uses less digits than its factorization.

298421883818688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230 (or 4213 counting only the distinct ones).

The product of its digits is 5435817984, while the sum is 84.

The spelling of 298421883818688 in words is "two hundred ninety-eight trillion, four hundred twenty-one billion, eight hundred eighty-three million, eight hundred eighteen thousand, six hundred eighty-eight".