43551022132 has 24 divisors (see below), whose sum is σ = 78136958592. Its totient is φ = 21227044800.

The previous prime is 43551022033. The next prime is 43551022183. The reversal of 43551022132 is 23122015534.

It is a self number, because there is not a number n which added to its sum of digits gives 43551022132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94023 + ... + 309745.

It is an arithmetic number, because the mean of its divisors is an integer number (3255706608).

Almost surely, 2^43551022132 is an apocalyptic number.

It is an amenable number.

43551022132 is a deficient number, since it is larger than the sum of its proper divisors (34585936460).

43551022132 is a wasteful number, since it uses less digits than its factorization.

43551022132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216999 (or 216997 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 43551022132 its reverse (23122015534), we get a palindrome (66673037666).

The spelling of 43551022132 in words is "forty-three billion, five hundred fifty-one million, twenty-two thousand, one hundred thirty-two".