185714904942 has 96 divisors (see below), whose sum is σ = 467054078400. Its totient is φ = 52238269440.

The previous prime is 185714904917. The next prime is 185714904943. The reversal of 185714904942 is 249409417581.

185714904942 is a `hidden beast` number, since 1 + 8 + 5 + 7 + 149 + 0 + 494 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185714904943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2077692 + ... + 2165232.

It is an arithmetic number, because the mean of its divisors is an integer number (4865146650).

Almost surely, 2^185714904942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 185714904942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233527039200).

185714904942 is an abundant number, since it is smaller than the sum of its proper divisors (281339173458).

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

185714904942 is a wasteful number, since it uses less digits than its factorization.

185714904942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87818 (or 87815 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 185714904942 in words is "one hundred eighty-five billion, seven hundred fourteen million, nine hundred four thousand, nine hundred forty-two".