43120240000 has 80 divisors (see below), whose sum is σ = 107345341620. Its totient is φ = 17248064000.

The previous prime is 43120239907. The next prime is 43120240003. The reversal of 43120240000 is 4202134.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43120240003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 189502 + ... + 349501.

Almost surely, 2^43120240000 is an apocalyptic number.

43120240000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43120240000 is an abundant number, since it is smaller than the sum of its proper divisors (64225101620).

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

43120240000 is an frugal number, since it uses more digits than its factorization.

43120240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539037 (or 539010 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 43120240000 its reverse (4202134), we get a palindrome (43124442134).

The spelling of 43120240000 in words is "forty-three billion, one hundred twenty million, two hundred forty thousand".