43540231224 has 64 divisors (see below), whose sum is σ = 131718355200. Its totient is φ = 11708296704.

The previous prime is 43540231169. The next prime is 43540231247. The reversal of 43540231224 is 42213204534.

It is a junction number, because it is equal to n+sod(n) for n = 43540231191 and 43540231200.

It is a congruent number.

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, 7619734 + ... + 7625445.

It is an arithmetic number, because the mean of its divisors is an integer number (2058099300).

Almost surely, 2^43540231224 is an apocalyptic number.

It is an amenable number.

43540231224 is an abundant number, since it is smaller than the sum of its proper divisors (88178123976).

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

43540231224 is a wasteful number, since it uses less digits than its factorization.

43540231224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15245212 (or 15245208 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 43540231224 its reverse (42213204534), we get a palindrome (85753435758).

The spelling of 43540231224 in words is "forty-three billion, five hundred forty million, two hundred thirty-one thousand, two hundred twenty-four".