43223362455640 has 32 divisors (see below), whose sum is σ = 98424283189680. Its totient is φ = 17081039619712.

The previous prime is 43223362455629. The next prime is 43223362455671. The reversal of 43223362455640 is 4655426332234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6509539219 + ... + 6509545858.

Almost surely, 2^{43223362455640} is an apocalyptic number.

43223362455640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43223362455640 is an abundant number, since it is smaller than the sum of its proper divisors (55200920734040).

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

43223362455640 is a wasteful number, since it uses less digits than its factorization.

43223362455640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13019085171 (or 13019085167 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 49.

Adding to 43223362455640 its reverse (4655426332234), we get a palindrome (47878788787874).

The spelling of 43223362455640 in words is "forty-three trillion, two hundred twenty-three billion, three hundred sixty-two million, four hundred fifty-five thousand, six hundred forty".