104512243440 has 160 divisors (see below), whose sum is σ = 354851788032. Its totient is φ = 25235200000.

The previous prime is 104512243417. The next prime is 104512243441. The reversal of 104512243440 is 44342215401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 104512243398 and 104512243407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104512243441) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 583780 + ... + 741500.

Almost surely, 2^104512243440 is an apocalyptic number.

104512243440 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 104512243440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177425894016).

104512243440 is an abundant number, since it is smaller than the sum of its proper divisors (250339544592).

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

104512243440 is a wasteful number, since it uses less digits than its factorization.

104512243440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157999 (or 157993 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 104512243440 its reverse (44342215401), we get a palindrome (148854458841).

The spelling of 104512243440 in words is "one hundred four billion, five hundred twelve million, two hundred forty-three thousand, four hundred forty".