421735212744 has 32 divisors (see below), whose sum is σ = 1066184532000. Its totient is φ = 138998870912.

The previous prime is 421735212697. The next prime is 421735212757. The reversal of 421735212744 is 447212537124.

It is a junction number, because it is equal to n+sod(n) for n = 421735212696 and 421735212705.

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, 98718654 + ... + 98722925.

It is an arithmetic number, because the mean of its divisors is an integer number (33318266625).

Almost surely, 2^421735212744 is an apocalyptic number.

It is an amenable number.

421735212744 is an abundant number, since it is smaller than the sum of its proper divisors (644449319256).

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

421735212744 is a wasteful number, since it uses less digits than its factorization.

421735212744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197441677 (or 197441673 counting only the distinct ones).

The product of its digits is 376320, while the sum is 42.

Adding to 421735212744 its reverse (447212537124), we get a palindrome (868947749868).

The spelling of 421735212744 in words is "four hundred twenty-one billion, seven hundred thirty-five million, two hundred twelve thousand, seven hundred forty-four".