421323322542304 has 48 divisors (see below), whose sum is σ = 1020898820013408. Its totient is φ = 166677358367232.

The previous prime is 421323322542281. The next prime is 421323322542433. The reversal of 421323322542304 is 403245223323124.

It is a happy number.

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, 72342600547 + ... + 72342606370.

It is an arithmetic number, because the mean of its divisors is an integer number (21268725416946).

Almost surely, 2^{421323322542304} is an apocalyptic number.

It is an amenable number.

421323322542304 is an abundant number, since it is smaller than the sum of its proper divisors (599575497471104).

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

421323322542304 is a wasteful number, since it uses less digits than its factorization.

421323322542304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144685206947 (or 144685206939 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 421323322542304 its reverse (403245223323124), we get a palindrome (824568545865428).

The spelling of 421323322542304 in words is "four hundred twenty-one trillion, three hundred twenty-three billion, three hundred twenty-two million, five hundred forty-two thousand, three hundred four".