1424423555438 has 32 divisors (see below), whose sum is σ = 2303980199136. Its totient is φ = 656573044608.

The previous prime is 1424423555431. The next prime is 1424423555449. The reversal of 1424423555438 is 8345553244241.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424423555431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66810356 + ... + 66831672.

It is an arithmetic number, because the mean of its divisors is an integer number (71999381223).

Almost surely, 2^{1424423555438} is an apocalyptic number.

1424423555438 is a deficient number, since it is larger than the sum of its proper divisors (879556643698).

1424423555438 is a wasteful number, since it uses less digits than its factorization.

1424423555438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24548.

The product of its digits is 9216000, while the sum is 50.

Adding to 1424423555438 its reverse (8345553244241), we get a palindrome (9769976799679).

The spelling of 1424423555438 in words is "one trillion, four hundred twenty-four billion, four hundred twenty-three million, five hundred fifty-five thousand, four hundred thirty-eight".