104455135540 has 144 divisors (see below), whose sum is σ = 258144522048. Its totient is φ = 35397175296.

The previous prime is 104455135537. The next prime is 104455135549. The reversal of 104455135540 is 45531554401.

It is a self number, because there is not a number n which added to its sum of digits gives 104455135540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104455135549) 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 47 ways as a sum of consecutive naturals, for example, 61551972 + ... + 61553668.

It is an arithmetic number, because the mean of its divisors is an integer number (1792670292).

Almost surely, 2^104455135540 is an apocalyptic number.

104455135540 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 104455135540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129072261024).

104455135540 is an abundant number, since it is smaller than the sum of its proper divisors (153689386508).

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

104455135540 is a wasteful number, since it uses less digits than its factorization.

104455135540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 104455135540 its reverse (45531554401), we get a palindrome (149986689941).

The spelling of 104455135540 in words is "one hundred four billion, four hundred fifty-five million, one hundred thirty-five thousand, five hundred forty".