43214043420 has 72 divisors (see below), whose sum is σ = 131447927520. Its totient is φ = 11491628160.

The previous prime is 43214043391. The next prime is 43214043437. The reversal of 43214043420 is 2434041234.

It is a happy number.

43214043420 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 23 ways as a sum of consecutive naturals, for example, 269751 + ... + 398990.

It is an arithmetic number, because the mean of its divisors is an integer number (1825665660).

Almost surely, 2^43214043420 is an apocalyptic number.

It is an amenable number.

43214043420 is an abundant number, since it is smaller than the sum of its proper divisors (88233884100).

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

43214043420 is a wasteful number, since it uses less digits than its factorization.

43214043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669115 (or 669110 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43214043420 its reverse (2434041234), we get a palindrome (45648084654).

The spelling of 43214043420 in words is "forty-three billion, two hundred fourteen million, forty-three thousand, four hundred twenty".