43402204403442 has 12 divisors (see below), whose sum is σ = 94038109540830. Its totient is φ = 14467401467808.

The previous prime is 43402204403429. The next prime is 43402204403449. The reversal of 43402204403442 is 24430440220434.

43402204403442 is a `hidden beast` number, since 4 + 3 + 4 + 0 + 2 + 204 + 4 + 0 + 3 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32971700925801 + 10430503477641 = 5742099^2 + 3229629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43402204403397 and 43402204403406.

It is not an unprimeable number, because it can be changed into a prime (43402204403449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1205616788967 + ... + 1205616789002.

Almost surely, 2^{43402204403442} is an apocalyptic number.

43402204403442 is an abundant number, since it is smaller than the sum of its proper divisors (50635905137388).

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

43402204403442 is a wasteful number, since it uses less digits than its factorization.

43402204403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411233577977 (or 2411233577974 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 43402204403442 its reverse (24430440220434), we get a palindrome (67832644623876).

The spelling of 43402204403442 in words is "forty-three trillion, four hundred two billion, two hundred four million, four hundred three thousand, four hundred forty-two".