629706768460 has 144 divisors (see below), whose sum is σ = 1679672725920. Its totient is φ = 196091535360.

The previous prime is 629706768401. The next prime is 629706768503. The reversal of 629706768460 is 64867607926.

It is a super-2 number, since 2×629706768460² (a number of 24 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 11928684 + ... + 11981356.

It is an arithmetic number, because the mean of its divisors is an integer number (11664393930).

Almost surely, 2^629706768460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629706768460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839836362960).

629706768460 is an abundant number, since it is smaller than the sum of its proper divisors (1049965957460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629706768460 is a wasteful number, since it uses less digits than its factorization.

629706768460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53816 (or 53807 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 629706768460 in words is "six hundred twenty-nine billion, seven hundred six million, seven hundred sixty-eight thousand, four hundred sixty".