104420013440 has 64 divisors (see below), whose sum is σ = 249970775760. Its totient is φ = 41710835712.

The previous prime is 104420013413. The next prime is 104420013473. The reversal of 104420013440 is 44310024401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357827 + ... + 580413.

Almost surely, 2^104420013440 is an apocalyptic number.

104420013440 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 104420013440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124985387880).

104420013440 is an abundant number, since it is smaller than the sum of its proper divisors (145550762320).

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

104420013440 is an equidigital number, since it uses as much as digits as its factorization.

104420013440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223339 (or 223327 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 104420013440 its reverse (44310024401), we get a palindrome (148730037841).

The spelling of 104420013440 in words is "one hundred four billion, four hundred twenty million, thirteen thousand, four hundred forty".