440000404400 has 60 divisors (see below), whose sum is σ = 1071581877912. Its totient is φ = 173589189120.

The previous prime is 440000404397. The next prime is 440000404429. The reversal of 440000404400 is 4404000044.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7505054 + ... + 7563453.

Almost surely, 2^440000404400 is an apocalyptic number.

440000404400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440000404400 is an abundant number, since it is smaller than the sum of its proper divisors (631581473512).

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

440000404400 is a wasteful number, since it uses less digits than its factorization.

440000404400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15068598 (or 15068587 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 440000404400 its reverse (4404000044), we get a palindrome (444404404444).

The spelling of 440000404400 in words is "four hundred forty billion, four hundred four thousand, four hundred".