298428128100 has 108 divisors (see below), whose sum is σ = 936468232336. Its totient is φ = 79490496960.

The previous prime is 298428128099. The next prime is 298428128123. The reversal of 298428128100 is 1821824892.

298428128100 is a `hidden beast` number, since 2 + 98 + 4 + 281 + 281 + 0 + 0 = 666.

It is a super-2 number, since 2×298428128100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 606939 + ... + 982461.

Almost surely, 2^298428128100 is an apocalyptic number.

298428128100 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 298428128100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468234116168).

298428128100 is an abundant number, since it is smaller than the sum of its proper divisors (638040104236).

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

298428128100 is a wasteful number, since it uses less digits than its factorization.

298428128100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376426 (or 376416 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 298428128100 in words is "two hundred ninety-eight billion, four hundred twenty-eight million, one hundred twenty-eight thousand, one hundred".