440020460604 has 12 divisors (see below), whose sum is σ = 1026714408104. Its totient is φ = 146673486864.

The previous prime is 440020460569. The next prime is 440020460629. The reversal of 440020460604 is 406064020044.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18334185847 + ... + 18334185870.

Almost surely, 2^440020460604 is an apocalyptic number.

It is an amenable number.

440020460604 is an abundant number, since it is smaller than the sum of its proper divisors (586693947500).

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

440020460604 is a wasteful number, since it uses less digits than its factorization.

440020460604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36668371724 (or 36668371722 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 440020460604 its reverse (406064020044), we get a palindrome (846084480648).

The spelling of 440020460604 in words is "four hundred forty billion, twenty million, four hundred sixty thousand, six hundred four".