43630161242 has 8 divisors (see below), whose sum is σ = 65491694100. Its totient is φ = 21799596544.

The previous prime is 43630161209. The next prime is 43630161247. The reversal of 43630161242 is 24216103634.

43630161242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41163946321 + 2466214921 = 202889^2 + 49661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43630161199 and 43630161208.

It is not an unprimeable number, because it can be changed into a prime (43630161247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7738517 + ... + 7744152.

Almost surely, 2^43630161242 is an apocalyptic number.

43630161242 is a deficient number, since it is larger than the sum of its proper divisors (21861532858).

43630161242 is a wasteful number, since it uses less digits than its factorization.

43630161242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15484080.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 43630161242 its reverse (24216103634), we get a palindrome (67846264876).

The spelling of 43630161242 in words is "forty-three billion, six hundred thirty million, one hundred sixty-one thousand, two hundred forty-two".