940185640189 has 8 divisors (see below), whose sum is σ = 944127664128. Its totient is φ = 936243954240.

The previous prime is 940185640183. The next prime is 940185640217. The reversal of 940185640189 is 981046581049.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 940185640189 - 2¹³ = 940185631997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940185640183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6592374 + ... + 6733480.

It is an arithmetic number, because the mean of its divisors is an integer number (118015958016).

Almost surely, 2^940185640189 is an apocalyptic number.

It is an amenable number.

940185640189 is a deficient number, since it is larger than the sum of its proper divisors (3942023939).

940185640189 is a wasteful number, since it uses less digits than its factorization.

940185640189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168995.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 940185640189 in words is "nine hundred forty billion, one hundred eighty-five million, six hundred forty thousand, one hundred eighty-nine".