298841249689920 has 2016 divisors, whose sum is σ = 1277145797735808. Its totient is φ = 66270606409728.

The previous prime is 298841249689919. The next prime is 298841249689963. The reversal of 298841249689920 is 29986942148892.

298841249689920 is a `hidden beast` number, since 2 + 9 + 8 + 8 + 4 + 12 + 496 + 8 + 99 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a super-2 number, since 2×298841249689920² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 298841249689920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 52585119399 + ... + 52585125081.

It is an arithmetic number, because the mean of its divisors is an integer number (633504859988).

Almost surely, 2^{298841249689920} is an apocalyptic number.

298841249689920 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 298841249689920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638572898867904).

298841249689920 is an abundant number, since it is smaller than the sum of its proper divisors (978304548045888).

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

298841249689920 is a wasteful number, since it uses less digits than its factorization.

298841249689920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139 (or 6110 counting only the distinct ones).

The product of its (nonzero) digits is 2579890176, while the sum is 81.

The spelling of 298841249689920 in words is "two hundred ninety-eight trillion, eight hundred forty-one billion, two hundred forty-nine million, six hundred eighty-nine thousand, nine hundred twenty".