434423420242 has 8 divisors (see below), whose sum is σ = 744725863296. Its totient is φ = 186181465812.

The previous prime is 434423420209. The next prime is 434423420269. The reversal of 434423420242 is 242024324434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 434423420198 and 434423420207.

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 3 ways as a sum of consecutive naturals, for example, 15515122138 + ... + 15515122165.

It is an arithmetic number, because the mean of its divisors is an integer number (93090732912).

Almost surely, 2^434423420242 is an apocalyptic number.

434423420242 is a deficient number, since it is larger than the sum of its proper divisors (310302443054).

434423420242 is a wasteful number, since it uses less digits than its factorization.

434423420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31030244312.

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 434423420242 its reverse (242024324434), we get a palindrome (676447744676).

The spelling of 434423420242 in words is "four hundred thirty-four billion, four hundred twenty-three million, four hundred twenty thousand, two hundred forty-two".