421342420035552 has 48 divisors (see below), whose sum is σ = 1112809275043200. Its totient is φ = 139585832399232.

The previous prime is 421342420035499. The next prime is 421342420035587. The reversal of 421342420035552 is 255530024243124.

It is a tau number, because it is divible by the number of its divisors (48).

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, 13463124052 + ... + 13463155347.

It is an arithmetic number, because the mean of its divisors is an integer number (23183526563400).

Almost surely, 2^{421342420035552} is an apocalyptic number.

It is an amenable number.

421342420035552 is an abundant number, since it is smaller than the sum of its proper divisors (691466855007648).

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

421342420035552 is a wasteful number, since it uses less digits than its factorization.

421342420035552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26926279575 (or 26926279567 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 421342420035552 its reverse (255530024243124), we get a palindrome (676872444278676).

The spelling of 421342420035552 in words is "four hundred twenty-one trillion, three hundred forty-two billion, four hundred twenty million, thirty-five thousand, five hundred fifty-two".