104203243440 has 120 divisors (see below), whose sum is σ = 353881457280. Its totient is φ = 27475295232.

The previous prime is 104203243409. The next prime is 104203243499. The reversal of 104203243440 is 44342302401.

It is a happy number.

104203243440 is a `hidden beast` number, since 10 + 4 + 203 + 2 + 4 + 3 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 748992 + ... + 877151.

It is an arithmetic number, because the mean of its divisors is an integer number (2949012144).

Almost surely, 2^104203243440 is an apocalyptic number.

104203243440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104203243440 is an abundant number, since it is smaller than the sum of its proper divisors (249678213840).

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

104203243440 is a wasteful number, since it uses less digits than its factorization.

104203243440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626251 (or 1626242 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 104203243440 its reverse (44342302401), we get a palindrome (148545545841).

The spelling of 104203243440 in words is "one hundred four billion, two hundred three million, two hundred forty-three thousand, four hundred forty".