185908482940 has 12 divisors (see below), whose sum is σ = 390407814216. Its totient is φ = 74363393168.

The previous prime is 185908482917. The next prime is 185908482953. The reversal of 185908482940 is 49284809581.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4647712054 + ... + 4647712093.

It is an arithmetic number, because the mean of its divisors is an integer number (32533984518).

Almost surely, 2^185908482940 is an apocalyptic number.

185908482940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

185908482940 is an abundant number, since it is smaller than the sum of its proper divisors (204499331276).

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

185908482940 is a wasteful number, since it uses less digits than its factorization.

185908482940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295424156 (or 9295424154 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 185908482940 in words is "one hundred eighty-five billion, nine hundred eight million, four hundred eighty-two thousand, nine hundred forty".