43105043402 has 16 divisors (see below), whose sum is σ = 66344862024. Its totient is φ = 20991840000.

The previous prime is 43105043389. The next prime is 43105043407. The reversal of 43105043402 is 20434050134.

It can be written as a sum of positive squares in 4 ways, for example, as 30408035641 + 12697007761 = 174379^2 + 112681^2 .

It is not an unprimeable number, because it can be changed into a prime (43105043407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388049 + ... + 486612.

Almost surely, 2^43105043402 is an apocalyptic number.

43105043402 is a deficient number, since it is larger than the sum of its proper divisors (23239818622).

43105043402 is a wasteful number, since it uses less digits than its factorization.

43105043402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875305.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 43105043402 its reverse (20434050134), we get a palindrome (63539093536).

The spelling of 43105043402 in words is "forty-three billion, one hundred five million, forty-three thousand, four hundred two".