440128104 has 64 divisors (see below), whose sum is σ = 1196778240. Its totient is φ = 134073600.

The previous prime is 440128093. The next prime is 440128121. The reversal of 440128104 is 401821044.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24529 + ... + 38495.

It is an arithmetic number, because the mean of its divisors is an integer number (18699660).

Almost surely, 2^440128104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440128104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598389120).

440128104 is an abundant number, since it is smaller than the sum of its proper divisors (756650136).

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

440128104 is a wasteful number, since it uses less digits than its factorization.

440128104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14090 (or 14086 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 440128104 is about 20979.2303004662. The cubic root of 440128104 is about 760.6642991447.

Adding to 440128104 its reverse (401821044), we get a palindrome (841949148).

The spelling of 440128104 in words is "four hundred forty million, one hundred twenty-eight thousand, one hundred four".