440161044 has 12 divisors (see below), whose sum is σ = 1027042464. Its totient is φ = 146720344.

The previous prime is 440161031. The next prime is 440161067.

440161044 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 18340032 + ... + 18340055.

It is an arithmetic number, because the mean of its divisors is an integer number (85586872).

Almost surely, 2^440161044 is an apocalyptic number.

It is an amenable number.

440161044 is an abundant number, since it is smaller than the sum of its proper divisors (586881420).

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

440161044 is a wasteful number, since it uses less digits than its factorization.

440161044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36680094 (or 36680092 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 440161044 is about 20980.0153479448. The cubic root of 440161044 is about 760.6832751783.

The spelling of 440161044 in words is "four hundred forty million, one hundred sixty-one thousand, forty-four".