252602430626 has 32 divisors (see below), whose sum is σ = 468397399680. Its totient is φ = 99490392576.

The previous prime is 252602430607. The next prime is 252602430631. The reversal of 252602430626 is 626034206252.

It is a self number, because there is not a number n which added to its sum of digits gives 252602430626.

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 15 ways as a sum of consecutive naturals, for example, 3015791 + ... + 3098418.

It is an arithmetic number, because the mean of its divisors is an integer number (14637418740).

Almost surely, 2^252602430626 is an apocalyptic number.

252602430626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

252602430626 is a deficient number, since it is larger than the sum of its proper divisors (215794969054).

252602430626 is a wasteful number, since it uses less digits than its factorization.

252602430626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114458.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 252602430626 its reverse (626034206252), we get a palindrome (878636636878).

The spelling of 252602430626 in words is "two hundred fifty-two billion, six hundred two million, four hundred thirty thousand, six hundred twenty-six".