456663421342 has 32 divisors (see below), whose sum is σ = 697813380000. Its totient is φ = 224101464576.

The previous prime is 456663421339. The next prime is 456663421367. The reversal of 456663421342 is 243124366654.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 456663421292 and 456663421301.

It is a congruent number.

It is an unprimeable number.

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, 18116884 + ... + 18142072.

It is an arithmetic number, because the mean of its divisors is an integer number (21806668125).

Almost surely, 2^456663421342 is an apocalyptic number.

456663421342 is a deficient number, since it is larger than the sum of its proper divisors (241149958658).

456663421342 is a wasteful number, since it uses less digits than its factorization.

456663421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26028.

The product of its digits is 2488320, while the sum is 46.

Adding to 456663421342 its reverse (243124366654), we get a palindrome (699787787996).

The spelling of 456663421342 in words is "four hundred fifty-six billion, six hundred sixty-three million, four hundred twenty-one thousand, three hundred forty-two".