104440320 has 160 divisors (see below), whose sum is σ = 371226240. Its totient is φ = 27832320.

The previous prime is 104440313. The next prime is 104440327. The reversal of 104440320 is 23044401.

It is an interprime number because it is at equal distance from previous prime (104440313) and next prime (104440327).

It is a tau number, because it is divible by the number of its divisors (160).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 104440293 and 104440302.

It is not an unprimeable number, because it can be changed into a prime (104440327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68365 + ... + 69875.

It is an arithmetic number, because the mean of its divisors is an integer number (2320164).

Almost surely, 2^104440320 is an apocalyptic number.

104440320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104440320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185613120).

104440320 is an abundant number, since it is smaller than the sum of its proper divisors (266785920).

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

104440320 is an equidigital number, since it uses as much as digits as its factorization.

104440320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 104440320 is about 10219.6046890278. The cubic root of 104440320 is about 470.9296823907.

Adding to 104440320 its reverse (23044401), we get a palindrome (127484721).

The spelling of 104440320 in words is "one hundred four million, four hundred forty thousand, three hundred twenty".