104394104100 has 360 divisors, whose sum is σ = 397570470528. Its totient is φ = 23360659200.

The previous prime is 104394104083. The next prime is 104394104107. The reversal of 104394104100 is 1401493401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (104394104107) by changing a digit.

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 119 ways as a sum of consecutive naturals, for example, 1113237 + ... + 1203363.

Almost surely, 2^104394104100 is an apocalyptic number.

104394104100 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 104394104100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198785235264).

104394104100 is an abundant number, since it is smaller than the sum of its proper divisors (293176366428).

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

104394104100 is a wasteful number, since it uses less digits than its factorization.

104394104100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90177 (or 90161 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 104394104100 its reverse (1401493401), we get a palindrome (105795597501).

The spelling of 104394104100 in words is "one hundred four billion, three hundred ninety-four million, one hundred four thousand, one hundred".