198057032844 has 288 divisors, whose sum is σ = 536631153408. Its totient is φ = 56347200000.

The previous prime is 198057032837. The next prime is 198057032851. The reversal of 198057032844 is 448230750891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (198057032837) and next prime (198057032851).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 789071719 + ... + 789071969.

It is an arithmetic number, because the mean of its divisors is an integer number (1863302616).

Almost surely, 2^198057032844 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 198057032844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268315576704).

198057032844 is an abundant number, since it is smaller than the sum of its proper divisors (338574120564).

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

198057032844 is a wasteful number, since it uses less digits than its factorization.

198057032844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 198057032844 in words is "one hundred ninety-eight billion, fifty-seven million, thirty-two thousand, eight hundred forty-four".