629445242 has 8 divisors (see below), whose sum is σ = 944318100. Its totient is φ = 314672544.

The previous prime is 629445241. The next prime is 629445253. The reversal of 629445242 is 242544926.

It can be written as a sum of positive squares in 2 ways, for example, as 621554761 + 7890481 = 24931^2 + 2809^2 .

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 = 629445196 and 629445205.

It is not an unprimeable number, because it can be changed into a prime (629445241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6617 + ... + 36092.

Almost surely, 2^629445242 is an apocalyptic number.

629445242 is a deficient number, since it is larger than the sum of its proper divisors (314872858).

629445242 is a wasteful number, since it uses less digits than its factorization.

629445242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50080.

The product of its digits is 138240, while the sum is 38.

The square root of 629445242 is about 25088.7473182700. The cubic root of 629445242 is about 857.0101884692.

It can be divided in two parts, 62944 and 5242, that added together give a palindrome (68186).

The spelling of 629445242 in words is "six hundred twenty-nine million, four hundred forty-five thousand, two hundred forty-two".