43130342420 has 48 divisors (see below), whose sum is σ = 100910009088. Its totient is φ = 15350060160.

The previous prime is 43130342419. The next prime is 43130342429. The reversal of 43130342420 is 2424303134.

It is a self number, because there is not a number n which added to its sum of digits gives 43130342420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43130342429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2075267 + ... + 2095946.

It is an arithmetic number, because the mean of its divisors is an integer number (2102291856).

Almost surely, 2^43130342420 is an apocalyptic number.

It is an amenable number.

43130342420 is an abundant number, since it is smaller than the sum of its proper divisors (57779666668).

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

43130342420 is a wasteful number, since it uses less digits than its factorization.

43130342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171280 (or 4171278 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 43130342420 its reverse (2424303134), we get a palindrome (45554645554).

The spelling of 43130342420 in words is "forty-three billion, one hundred thirty million, three hundred forty-two thousand, four hundred twenty".