104443553520 has 320 divisors, whose sum is σ = 363066762240. Its totient is φ = 27596270592.

The previous prime is 104443553509. The next prime is 104443553521. The reversal of 104443553520 is 25355344401.

104443553520 is a `hidden beast` number, since 1 + 0 + 44 + 43 + 5 + 53 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104443553521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143663397 + ... + 143664123.

It is an arithmetic number, because the mean of its divisors is an integer number (1134583632).

Almost surely, 2^104443553520 is an apocalyptic number.

104443553520 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 104443553520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181533381120).

104443553520 is an abundant number, since it is smaller than the sum of its proper divisors (258623208720).

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

104443553520 is a wasteful number, since it uses less digits than its factorization.

104443553520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 104443553520 its reverse (25355344401), we get a palindrome (129798897921).

The spelling of 104443553520 in words is "one hundred four billion, four hundred forty-three million, five hundred fifty-three thousand, five hundred twenty".