430240120042 has 32 divisors (see below), whose sum is σ = 669315888720. Its totient is φ = 207290603520.

The previous prime is 430240120039. The next prime is 430240120073. The reversal of 430240120042 is 240021042034.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 224288435281 + 205951684761 = 473591^2 + 453819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 430240119995 and 430240120022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4302184 + ... + 4401052.

Almost surely, 2^430240120042 is an apocalyptic number.

430240120042 is a deficient number, since it is larger than the sum of its proper divisors (239075768678).

430240120042 is a wasteful number, since it uses less digits than its factorization.

430240120042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99658.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 430240120042 its reverse (240021042034), we get a palindrome (670261162076).

The spelling of 430240120042 in words is "four hundred thirty billion, two hundred forty million, one hundred twenty thousand, forty-two".