104044320540 has 72 divisors (see below), whose sum is σ = 320950309680. Its totient is φ = 27274892544.

The previous prime is 104044320503. The next prime is 104044320563. The reversal of 104044320540 is 45023440401.

It is a happy number.

104044320540 is a `hidden beast` number, since 10 + 4 + 0 + 443 + 205 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4887889 + ... + 4909128.

It is an arithmetic number, because the mean of its divisors is an integer number (4457643190).

Almost surely, 2^104044320540 is an apocalyptic number.

104044320540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104044320540 is an abundant number, since it is smaller than the sum of its proper divisors (216905989140).

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

104044320540 is a wasteful number, since it uses less digits than its factorization.

104044320540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9797091 (or 9797086 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 104044320540 its reverse (45023440401), we get a palindrome (149067760941).

The spelling of 104044320540 in words is "one hundred four billion, forty-four million, three hundred twenty thousand, five hundred forty".