43599000042 has 24 divisors (see below), whose sum is σ = 101731000644. Its totient is φ = 13415076864.

The previous prime is 43599000007. The next prime is 43599000043. The reversal of 43599000042 is 24000099534.

It can be written as a sum of positive squares in 2 ways, for example, as 33113444841 + 10485555201 = 181971^2 + 102399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43598999970 and 43599000006.

It is not an unprimeable number, because it can be changed into a prime (43599000043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93160023 + ... + 93160490.

Almost surely, 2^43599000042 is an apocalyptic number.

43599000042 is an abundant number, since it is smaller than the sum of its proper divisors (58132000602).

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

43599000042 is a wasteful number, since it uses less digits than its factorization.

43599000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186320534 (or 186320531 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 43599000042 its reverse (24000099534), we get a palindrome (67599099576).

The spelling of 43599000042 in words is "forty-three billion, five hundred ninety-nine million, forty-two", and thus it is an aban number.