440182130 has 16 divisors (see below), whose sum is σ = 793088280. Its totient is φ = 175903872.

The previous prime is 440182129. The next prime is 440182133. The reversal of 440182130 is 31281044.

It can be written as a sum of positive squares in 4 ways, for example, as 296493961 + 143688169 = 17219^2 + 11987^2 .

It is a junction number, because it is equal to n+sod(n) for n = 440182096 and 440182105.

It is not an unprimeable number, because it can be changed into a prime (440182133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9899 + ... + 31278.

Almost surely, 2^440182130 is an apocalyptic number.

440182130 is a deficient number, since it is larger than the sum of its proper divisors (352906150).

440182130 is a wasteful number, since it uses less digits than its factorization.

440182130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42253.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 440182130 is about 20980.5178677744. The cubic root of 440182130 is about 760.6954218775.

The spelling of 440182130 in words is "four hundred forty million, one hundred eighty-two thousand, one hundred thirty".