43403442402 has 16 divisors (see below), whose sum is σ = 86816800800. Its totient is φ = 14466161472.

The previous prime is 43403442349. The next prime is 43403442409. The reversal of 43403442402 is 20424430434.

43403442402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 43403442402.

It is not an unprimeable number, because it can be changed into a prime (43403442409) 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, 355648 + ... + 461835.

It is an arithmetic number, because the mean of its divisors is an integer number (5426050050).

Almost surely, 2^43403442402 is an apocalyptic number.

43403442402 is an abundant number, since it is smaller than the sum of its proper divisors (43413358398).

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

43403442402 is a wasteful number, since it uses less digits than its factorization.

43403442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826337.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 43403442402 its reverse (20424430434), we get a palindrome (63827872836).

The spelling of 43403442402 in words is "forty-three billion, four hundred three million, four hundred forty-two thousand, four hundred two".