43551142440332 has 12 divisors (see below), whose sum is σ = 76332296028240. Its totient is φ = 21741915003696.

The previous prime is 43551142440277. The next prime is 43551142440359. The reversal of 43551142440332 is 23304424115534.

It is a super-2 number, since 2×43551142440332² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43551142440332.

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, 8414051207 + ... + 8414056382.

It is an arithmetic number, because the mean of its divisors is an integer number (6361024669020).

Almost surely, 2^{43551142440332} is an apocalyptic number.

It is an amenable number.

43551142440332 is a deficient number, since it is larger than the sum of its proper divisors (32781153587908).

43551142440332 is a wasteful number, since it uses less digits than its factorization.

43551142440332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16828108240 (or 16828108238 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 43551142440332 its reverse (23304424115534), we get a palindrome (66855566555866).

The spelling of 43551142440332 in words is "forty-three trillion, five hundred fifty-one billion, one hundred forty-two million, four hundred forty thousand, three hundred thirty-two".