43134441420 has 48 divisors (see below), whose sum is σ = 138030213888. Its totient is φ = 9859300800.

The previous prime is 43134441419. The next prime is 43134441433. The reversal of 43134441420 is 2414443134.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 51350106 + ... + 51350945.

It is an arithmetic number, because the mean of its divisors is an integer number (2875629456).

Almost surely, 2^43134441420 is an apocalyptic number.

It is an amenable number.

43134441420 is an abundant number, since it is smaller than the sum of its proper divisors (94895772468).

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

43134441420 is a wasteful number, since it uses less digits than its factorization.

43134441420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102701070 (or 102701068 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 43134441420 its reverse (2414443134), we get a palindrome (45548884554).

The spelling of 43134441420 in words is "forty-three billion, one hundred thirty-four million, four hundred forty-one thousand, four hundred twenty".