104404440 has 64 divisors (see below), whose sum is σ = 357960960. Its totient is φ = 23863680.

The previous prime is 104404439. The next prime is 104404441. The reversal of 104404440 is 44404401.

It is an interprime number because it is at equal distance from previous prime (104404439) and next prime (104404441).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104404441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61306 + ... + 62985.

It is an arithmetic number, because the mean of its divisors is an integer number (5593140).

Almost surely, 2^104404440 is an apocalyptic number.

104404440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104404440 is an abundant number, since it is smaller than the sum of its proper divisors (253556520).

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

104404440 is a wasteful number, since it uses less digits than its factorization.

104404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124312 (or 124308 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 104404440 is about 10217.8490887270. The cubic root of 104404440 is about 470.8757476257.

Adding to 104404440 its reverse (44404401), we get a palindrome (148808841).

The spelling of 104404440 in words is "one hundred four million, four hundred four thousand, four hundred forty".