43140224320 has 28 divisors (see below), whose sum is σ = 102727659924. Its totient is φ = 17256089600.

The previous prime is 43140224297. The next prime is 43140224381. The reversal of 43140224320 is 2342204134.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29306700864 + 13833523456 = 171192^2 + 117616^2 .

It is a super-2 number, since 2×43140224320² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67406281 + ... + 67406920.

Almost surely, 2^43140224320 is an apocalyptic number.

43140224320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43140224320 is an abundant number, since it is smaller than the sum of its proper divisors (59587435604).

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

43140224320 is a wasteful number, since it uses less digits than its factorization.

43140224320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134813218 (or 134813208 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 43140224320 its reverse (2342204134), we get a palindrome (45482428454).

The spelling of 43140224320 in words is "forty-three billion, one hundred forty million, two hundred twenty-four thousand, three hundred twenty".