194858264392 has 32 divisors (see below), whose sum is σ = 407842886880. Its totient is φ = 86512124160.

The previous prime is 194858264357. The next prime is 194858264401. The reversal of 194858264392 is 293462858491.

It is a self number, because there is not a number n which added to its sum of digits gives 194858264392.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25743873 + ... + 25751440.

It is an arithmetic number, because the mean of its divisors is an integer number (12745090215).

Almost surely, 2^194858264392 is an apocalyptic number.

It is an amenable number.

194858264392 is an abundant number, since it is smaller than the sum of its proper divisors (212984622488).

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

194858264392 is a wasteful number, since it uses less digits than its factorization.

194858264392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51495373 (or 51495369 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 61.

The spelling of 194858264392 in words is "one hundred ninety-four billion, eight hundred fifty-eight million, two hundred sixty-four thousand, three hundred ninety-two".