43311242443420 has 48 divisors (see below), whose sum is σ = 108466415866368. Its totient is φ = 14203935408960.

The previous prime is 43311242443361. The next prime is 43311242443451. The reversal of 43311242443420 is 2434424211334.

It is a self number, because there is not a number n which added to its sum of digits gives 43311242443420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6725344986 + ... + 6725351425.

It is an arithmetic number, because the mean of its divisors is an integer number (2259716997216).

Almost surely, 2^{43311242443420} is an apocalyptic number.

It is an amenable number.

43311242443420 is an abundant number, since it is smaller than the sum of its proper divisors (65155173422948).

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

43311242443420 is a wasteful number, since it uses less digits than its factorization.

43311242443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13450696450 (or 13450696448 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 43311242443420 its reverse (2434424211334), we get a palindrome (45745666654754).

The spelling of 43311242443420 in words is "forty-three trillion, three hundred eleven billion, two hundred forty-two million, four hundred forty-three thousand, four hundred twenty".