43000420532 has 12 divisors (see below), whose sum is σ = 79211301120. Its totient is φ = 20368620216.

The previous prime is 43000420531. The next prime is 43000420537. The reversal of 43000420532 is 23502400034.

It is a junction number, because it is equal to n+sod(n) for n = 43000420498 and 43000420507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43000420531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282897428 + ... + 282897579.

It is an arithmetic number, because the mean of its divisors is an integer number (6600941760).

Almost surely, 2^43000420532 is an apocalyptic number.

It is an amenable number.

43000420532 is a deficient number, since it is larger than the sum of its proper divisors (36210880588).

43000420532 is a wasteful number, since it uses less digits than its factorization.

43000420532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565795030 (or 565795028 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 43000420532 its reverse (23502400034), we get a palindrome (66502820566).

The spelling of 43000420532 in words is "forty-three billion, four hundred twenty thousand, five hundred thirty-two".