52781043198 has 64 divisors (see below), whose sum is σ = 120162873600. Its totient is φ = 15321623040.

The previous prime is 52781043191. The next prime is 52781043247. The reversal of 52781043198 is 89134018725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52781043191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283273 + ... + 431051.

It is an arithmetic number, because the mean of its divisors is an integer number (1877544900).

Almost surely, 2^52781043198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52781043198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60081436800).

52781043198 is an abundant number, since it is smaller than the sum of its proper divisors (67381830402).

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

52781043198 is a wasteful number, since it uses less digits than its factorization.

52781043198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148057.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 52781043198 in words is "fifty-two billion, seven hundred eighty-one million, forty-three thousand, one hundred ninety-eight".