398189330244 has 192 divisors, whose sum is σ = 1078176556800. Its totient is φ = 126981043200.

The previous prime is 398189330083. The next prime is 398189330263. The reversal of 398189330244 is 442033981893.

398189330244 is a `hidden beast` number, since 3 + 98 + 189 + 330 + 2 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67935874 + ... + 67941734.

It is an arithmetic number, because the mean of its divisors is an integer number (5615502900).

Almost surely, 2^398189330244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398189330244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539088278400).

398189330244 is an abundant number, since it is smaller than the sum of its proper divisors (679987226556).

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

398189330244 is a wasteful number, since it uses less digits than its factorization.

398189330244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211 (or 6203 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 398189330244 in words is "three hundred ninety-eight billion, one hundred eighty-nine million, three hundred thirty thousand, two hundred forty-four".