194324725842 has 32 divisors (see below), whose sum is σ = 443165893632. Its totient is φ = 56275033344.

The previous prime is 194324725817. The next prime is 194324725843. The reversal of 194324725842 is 248527423491.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (194324725843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73273458 + ... + 73276109.

It is an arithmetic number, because the mean of its divisors is an integer number (13848934176).

Almost surely, 2^194324725842 is an apocalyptic number.

194324725842 is an abundant number, since it is smaller than the sum of its proper divisors (248841167790).

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

194324725842 is a wasteful number, since it uses less digits than its factorization.

194324725842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146549602.

The product of its digits is 3870720, while the sum is 51.

The spelling of 194324725842 in words is "one hundred ninety-four billion, three hundred twenty-four million, seven hundred twenty-five thousand, eight hundred forty-two".