440400104 has 8 divisors (see below), whose sum is σ = 825750210. Its totient is φ = 220200048.

The previous prime is 440400091. The next prime is 440400133. The reversal of 440400104 is 401004044.

It can be written as a sum of positive squares in only one way, i.e., 436392100 + 4008004 = 20890^2 + 2002^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27524999 + ... + 27525014.

Almost surely, 2^440400104 is an apocalyptic number.

It is an amenable number.

440400104 is a deficient number, since it is larger than the sum of its proper divisors (385350106).

440400104 is a wasteful number, since it uses less digits than its factorization.

440400104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55050019 (or 55050015 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 440400104 is about 20985.7119011960. The cubic root of 440400104 is about 760.8209642008.

Adding to 440400104 its reverse (401004044), we get a palindrome (841404148).

The spelling of 440400104 in words is "four hundred forty million, four hundred thousand, one hundred four".