184194397940 has 96 divisors (see below), whose sum is σ = 443565158400. Its totient is φ = 62938673280.

The previous prime is 184194397939. The next prime is 184194397997. The reversal of 184194397940 is 49793491481.

It is a self number, because there is not a number n which added to its sum of digits gives 184194397940.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 71419571 + ... + 71422149.

It is an arithmetic number, because the mean of its divisors is an integer number (4620470400).

Almost surely, 2^184194397940 is an apocalyptic number.

184194397940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

184194397940 is an abundant number, since it is smaller than the sum of its proper divisors (259370760460).

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

184194397940 is a wasteful number, since it uses less digits than its factorization.

184194397940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125 (or 4123 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 184194397940 in words is "one hundred eighty-four billion, one hundred ninety-four million, three hundred ninety-seven thousand, nine hundred forty".