104143402040 has 32 divisors (see below), whose sum is σ = 236738360880. Its totient is φ = 41227901952.

The previous prime is 104143402037. The next prime is 104143402081. The reversal of 104143402040 is 40204341401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 104143401997 and 104143402015.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13416662 + ... + 13424421.

Almost surely, 2^104143402040 is an apocalyptic number.

104143402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104143402040 is an abundant number, since it is smaller than the sum of its proper divisors (132594958840).

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

104143402040 is a wasteful number, since it uses less digits than its factorization.

104143402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26841191 (or 26841187 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 104143402040 its reverse (40204341401), we get a palindrome (144347743441).

The spelling of 104143402040 in words is "one hundred four billion, one hundred forty-three million, four hundred two thousand, forty".