180076840 has 16 divisors (see below), whose sum is σ = 405172980. Its totient is φ = 72030720.

The previous prime is 180076823. The next prime is 180076849. The reversal of 180076840 is 48670081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 175350564 + 4726276 = 13242^2 + 2174^2 .

It is a junction number, because it is equal to n+sod(n) for n = 180076796 and 180076805.

It is not an unprimeable number, because it can be changed into a prime (180076849) 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 3 ways as a sum of consecutive naturals, for example, 2250921 + ... + 2251000.

Almost surely, 2^180076840 is an apocalyptic number.

180076840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180076840 is an abundant number, since it is smaller than the sum of its proper divisors (225096140).

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

180076840 is a wasteful number, since it uses less digits than its factorization.

180076840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501932 (or 4501928 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 180076840 is about 13419.2712171712. The cubic root of 180076840 is about 564.7019494637.

The spelling of 180076840 in words is "one hundred eighty million, seventy-six thousand, eight hundred forty".