440590012 has 24 divisors (see below), whose sum is σ = 813335040. Its totient is φ = 208257840.

The previous prime is 440590009. The next prime is 440590013. The reversal of 440590012 is 210095044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440590013) 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, 31413 + ... + 43219.

It is an arithmetic number, because the mean of its divisors is an integer number (33888960).

Almost surely, 2^440590012 is an apocalyptic number.

It is an amenable number.

440590012 is a deficient number, since it is larger than the sum of its proper divisors (372745028).

440590012 is a wasteful number, since it uses less digits than its factorization.

440590012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12321 (or 12319 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 440590012 is about 20990.2361111065. The cubic root of 440590012 is about 760.9303081232.

The spelling of 440590012 in words is "four hundred forty million, five hundred ninety thousand, twelve".