420243132344 has 24 divisors (see below), whose sum is σ = 916601730840. Its totient is φ = 180104199408.

The previous prime is 420243132203. The next prime is 420243132367. The reversal of 420243132344 is 443231342024.

It is a self number, because there is not a number n which added to its sum of digits gives 420243132344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 536024012 + ... + 536024795.

It is an arithmetic number, because the mean of its divisors is an integer number (38191738785).

Almost surely, 2^420243132344 is an apocalyptic number.

It is an amenable number.

420243132344 is an abundant number, since it is smaller than the sum of its proper divisors (496358598496).

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

420243132344 is a wasteful number, since it uses less digits than its factorization.

420243132344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072048827 (or 1072048816 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 420243132344 its reverse (443231342024), we get a palindrome (863474474368).

The spelling of 420243132344 in words is "four hundred twenty billion, two hundred forty-three million, one hundred thirty-two thousand, three hundred forty-four".