7431430442 has 8 divisors (see below), whose sum is σ = 11733837600. Its totient is φ = 3520151244.

The previous prime is 7431430417. The next prime is 7431430459. The reversal of 7431430442 is 2440341347.

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 = 7431430399 and 7431430408.

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 3 ways as a sum of consecutive naturals, for example, 97781942 + ... + 97782017.

It is an arithmetic number, because the mean of its divisors is an integer number (1466729700).

Almost surely, 2^7431430442 is an apocalyptic number.

7431430442 is a deficient number, since it is larger than the sum of its proper divisors (4302407158).

7431430442 is a wasteful number, since it uses less digits than its factorization.

7431430442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195563980.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 7431430442 is about 86205.7448317686. The cubic root of 7431430442 is about 1951.4501981996.

Adding to 7431430442 its reverse (2440341347), we get a palindrome (9871771789).

The spelling of 7431430442 in words is "seven billion, four hundred thirty-one million, four hundred thirty thousand, four hundred forty-two".