421104435500344 has 32 divisors (see below), whose sum is σ = 793127045571840. Its totient is φ = 209604758860000.

The previous prime is 421104435500339. The next prime is 421104435500387. The reversal of 421104435500344 is 443005534401124.

It is a junction number, because it is equal to n+sod(n) for n = 421104435500297 and 421104435500306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50424304 + ... + 58179199.

It is an arithmetic number, because the mean of its divisors is an integer number (24785220174120).

Almost surely, 2^{421104435500344} is an apocalyptic number.

It is an amenable number.

421104435500344 is a deficient number, since it is larger than the sum of its proper divisors (372022610071496).

421104435500344 is a wasteful number, since it uses less digits than its factorization.

421104435500344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108605691 (or 108605687 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 421104435500344 its reverse (443005534401124), we get a palindrome (864109969901468).

The spelling of 421104435500344 in words is "four hundred twenty-one trillion, one hundred four billion, four hundred thirty-five million, five hundred thousand, three hundred forty-four".