421244015320 has 32 divisors (see below), whose sum is σ = 948872499120. Its totient is φ = 168306768000.

The previous prime is 421244015267. The next prime is 421244015321. The reversal of 421244015320 is 23510442124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421244015321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5927931 + ... + 5998570.

Almost surely, 2^421244015320 is an apocalyptic number.

421244015320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421244015320 is an abundant number, since it is smaller than the sum of its proper divisors (527628483800).

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

421244015320 is a wasteful number, since it uses less digits than its factorization.

421244015320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11927395 (or 11927391 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 421244015320 its reverse (23510442124), we get a palindrome (444754457444).

The spelling of 421244015320 in words is "four hundred twenty-one billion, two hundred forty-four million, fifteen thousand, three hundred twenty".