180782040 has 64 divisors (see below), whose sum is σ = 551259360. Its totient is φ = 47416320.

The previous prime is 180782003. The next prime is 180782083. The reversal of 180782040 is 40287081.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 180781989 and 180782007.

It is a congruent number.

It is an unprimeable number.

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, 5029 + ... + 19668.

Almost surely, 2^180782040 is an apocalyptic number.

180782040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180782040 is an abundant number, since it is smaller than the sum of its proper divisors (370477320).

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

180782040 is a wasteful number, since it uses less digits than its factorization.

180782040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24772 (or 24768 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 180782040 is about 13445.5211873694. The cubic root of 180782040 is about 565.4381335443.

The spelling of 180782040 in words is "one hundred eighty million, seven hundred eighty-two thousand, forty".