440049 has 4 divisors (see below), whose sum is σ = 586736. Its totient is φ = 293364.

The previous prime is 440047. The next prime is 440087. The reversal of 440049 is 940044.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 440049 - 2¹ = 440047 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (440047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73339 + ... + 73344.

It is an arithmetic number, because the mean of its divisors is an integer number (146684).

2⁴⁴⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

440049 is a deficient number, since it is larger than the sum of its proper divisors (146687).

440049 is a wasteful number, since it uses less digits than its factorization.

440049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146686.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 440049 is about 663.3618921825. The cubic root of 440049 is about 76.0618725145.

The spelling of 440049 in words is "four hundred forty thousand, forty-nine".