421240243441304 has 32 divisors (see below), whose sum is σ = 903418117620480. Its totient is φ = 180379442282784.

The previous prime is 421240243441229. The next prime is 421240243441327. The reversal of 421240243441304 is 403144342042124.

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, 3168487532 + ... + 3168620475.

It is an arithmetic number, because the mean of its divisors is an integer number (28231816175640).

Almost surely, 2^{421240243441304} is an apocalyptic number.

It is an amenable number.

421240243441304 is an abundant number, since it is smaller than the sum of its proper divisors (482177874179176).

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

421240243441304 is a wasteful number, since it uses less digits than its factorization.

421240243441304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337109207 (or 6337109203 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 421240243441304 its reverse (403144342042124), we get a palindrome (824384585483428).

The spelling of 421240243441304 in words is "four hundred twenty-one trillion, two hundred forty billion, two hundred forty-three million, four hundred forty-one thousand, three hundred four".