440402 has 8 divisors (see below), whose sum is σ = 699516. Its totient is φ = 207232.

The previous prime is 440399. The next prime is 440431. The reversal of 440402 is 204044.

It can be written as a sum of positive squares in 2 ways, for example, as 436921 + 3481 = 661^2 + 59^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6443 + ... + 6510.

2⁴⁴⁰⁴⁰² is an apocalyptic number.

440402 is a deficient number, since it is larger than the sum of its proper divisors (259114).

440402 is a wasteful number, since it uses less digits than its factorization.

440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12972.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 440402 is about 663.6279077917. The cubic root of 440402 is about 76.0822056022.

Adding to 440402 its reverse (204044), we get a palindrome (644446).

The spelling of 440402 in words is "four hundred forty thousand, four hundred two", and thus it is an iban number.