43434143420 has 48 divisors (see below), whose sum is σ = 93785519520. Its totient is φ = 16889423616.

The previous prime is 43434143419. The next prime is 43434143443. The reversal of 43434143420 is 2434143434.

43434143420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 72422 + ... + 303501.

It is an arithmetic number, because the mean of its divisors is an integer number (1953864990).

Almost surely, 2^43434143420 is an apocalyptic number.

It is an amenable number.

43434143420 is an abundant number, since it is smaller than the sum of its proper divisors (50351376100).

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

43434143420 is a wasteful number, since it uses less digits than its factorization.

43434143420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376094 (or 376092 counting only the distinct ones).

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

Adding to 43434143420 its reverse (2434143434), we get a palindrome (45868286854).

The spelling of 43434143420 in words is "forty-three billion, four hundred thirty-four million, one hundred forty-three thousand, four hundred twenty".