298809940050 has 144 divisors (see below), whose sum is σ = 856633371360. Its totient is φ = 74454577920.

The previous prime is 298809939991. The next prime is 298809940067. The reversal of 298809940050 is 50049908892.

298809940050 is a `hidden beast` number, since 29 + 8 + 80 + 99 + 400 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 384777 + ... + 863523.

Almost surely, 2^298809940050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298809940050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428316685680).

298809940050 is an abundant number, since it is smaller than the sum of its proper divisors (557823431310).

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

298809940050 is a wasteful number, since it uses less digits than its factorization.

298809940050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478857 (or 478849 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 298809940050 in words is "two hundred ninety-eight billion, eight hundred nine million, nine hundred forty thousand, fifty".