104640442406 has 8 divisors (see below), whose sum is σ = 156990012624. Its totient is φ = 52310438200.

The previous prime is 104640442391. The next prime is 104640442411. The reversal of 104640442406 is 604244046401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4878125 + ... + 4899528.

It is an arithmetic number, because the mean of its divisors is an integer number (19623751578).

Almost surely, 2^104640442406 is an apocalyptic number.

104640442406 is a deficient number, since it is larger than the sum of its proper divisors (52349570218).

104640442406 is an equidigital number, since it uses as much as digits as its factorization.

104640442406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9783006.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 104640442406 its reverse (604244046401), we get a palindrome (708884488807).

The spelling of 104640442406 in words is "one hundred four billion, six hundred forty million, four hundred forty-two thousand, four hundred six".