180954036 has 18 divisors (see below), whose sum is σ = 457411682. Its totient is φ = 60318000.

The previous prime is 180954029. The next prime is 180954049. The reversal of 180954036 is 630459081.

180954036 is a `hidden beast` number, since 1 + 80 + 9 + 540 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 151142436 + 29811600 = 12294^2 + 5460^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5026501 = 180954036 / (1 + 8 + 0 + 9 + 5 + 4 + 0 + 3 + 6).

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 5 ways as a sum of consecutive naturals, for example, 2513215 + ... + 2513286.

Almost surely, 2^180954036 is an apocalyptic number.

It is an amenable number.

180954036 is an abundant number, since it is smaller than the sum of its proper divisors (276457646).

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

180954036 is a wasteful number, since it uses less digits than its factorization.

180954036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026511 (or 5026506 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 180954036 is about 13451.9157000035. The cubic root of 180954036 is about 565.6173959520.

The spelling of 180954036 in words is "one hundred eighty million, nine hundred fifty-four thousand, thirty-six".