13404220435 has 16 divisors (see below), whose sum is σ = 17034799392. Its totient is φ = 10090483200.

The previous prime is 13404220387. The next prime is 13404220447. The reversal of 13404220435 is 53402240431.

It is a happy number.

13404220435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13404220435 - 2¹³ = 13404212243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481240 + ... + 508330.

It is an arithmetic number, because the mean of its divisors is an integer number (1064674962).

Almost surely, 2^13404220435 is an apocalyptic number.

13404220435 is a deficient number, since it is larger than the sum of its proper divisors (3630578957).

13404220435 is a wasteful number, since it uses less digits than its factorization.

13404220435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32934.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 13404220435 its reverse (53402240431), we get a palindrome (66806460866).

The spelling of 13404220435 in words is "thirteen billion, four hundred four million, two hundred twenty thousand, four hundred thirty-five".