194361871488 has 128 divisors (see below), whose sum is σ = 547396056000. Its totient is φ = 60892250112.

The previous prime is 194361871463. The next prime is 194361871493. The reversal of 194361871488 is 884178163491.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4804048 + ... + 4844336.

Almost surely, 2^194361871488 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 194361871488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273698028000).

194361871488 is an abundant number, since it is smaller than the sum of its proper divisors (353034184512).

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

194361871488 is a wasteful number, since it uses less digits than its factorization.

194361871488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41062 (or 41050 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 60.

The spelling of 194361871488 in words is "one hundred ninety-four billion, three hundred sixty-one million, eight hundred seventy-one thousand, four hundred eighty-eight".