194381079948 has 72 divisors (see below), whose sum is σ = 541327799376. Its totient is φ = 58320144000.

The previous prime is 194381079947. The next prime is 194381079961. The reversal of 194381079948 is 849970183491.

194381079948 is a `hidden beast` number, since 1 + 9 + 438 + 107 + 9 + 94 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (194381079947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2390011 + ... + 2470002.

It is an arithmetic number, because the mean of its divisors is an integer number (7518441658).

Almost surely, 2^194381079948 is an apocalyptic number.

194381079948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

194381079948 is an abundant number, since it is smaller than the sum of its proper divisors (346946719428).

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

194381079948 is a wasteful number, since it uses less digits than its factorization.

194381079948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860135 (or 4860130 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 194381079948 in words is "one hundred ninety-four billion, three hundred eighty-one million, seventy-nine thousand, nine hundred forty-eight".