182031940 has 48 divisors (see below), whose sum is σ = 392781312. Its totient is φ = 70829696.

The previous prime is 182031929. The next prime is 182031947. The reversal of 182031940 is 49130281.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 182031899 and 182031908.

It is not an unprimeable number, because it can be changed into a prime (182031947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184689 + ... + 185671.

It is an arithmetic number, because the mean of its divisors is an integer number (8182944).

Almost surely, 2^182031940 is an apocalyptic number.

182031940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182031940 is an abundant number, since it is smaller than the sum of its proper divisors (210749372).

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

182031940 is a wasteful number, since it uses less digits than its factorization.

182031940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 182031940 is about 13491.9212864588. The cubic root of 182031940 is about 566.7382600817.

The spelling of 182031940 in words is "one hundred eighty-two million, thirty-one thousand, nine hundred forty".