43064012920 has 16 divisors (see below), whose sum is σ = 96894029160. Its totient is φ = 17225605152.

The previous prime is 43064012899. The next prime is 43064012921. The reversal of 43064012920 is 2921046034.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43064012921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538300122 + ... + 538300201.

Almost surely, 2^43064012920 is an apocalyptic number.

43064012920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43064012920 is an abundant number, since it is smaller than the sum of its proper divisors (53830016240).

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

43064012920 is a wasteful number, since it uses less digits than its factorization.

43064012920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076600334 (or 1076600330 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 43064012920 its reverse (2921046034), we get a palindrome (45985058954).

The spelling of 43064012920 in words is "forty-three billion, sixty-four million, twelve thousand, nine hundred twenty".