629395986000 has 160 divisors (see below), whose sum is σ = 2031607468800. Its totient is φ = 167637542400.

The previous prime is 629395985989. The next prime is 629395986001. The reversal of 629395986000 is 689593926.

It is a super-2 number, since 2×629395986000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629395986001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4971486 + ... + 5096514.

It is an arithmetic number, because the mean of its divisors is an integer number (12697546680).

Almost surely, 2^629395986000 is an apocalyptic number.

629395986000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629395986000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015803734400).

629395986000 is an abundant number, since it is smaller than the sum of its proper divisors (1402211482800).

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

629395986000 is a wasteful number, since it uses less digits than its factorization.

629395986000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125894 (or 125878 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 629395986000 in words is "six hundred twenty-nine billion, three hundred ninety-five million, nine hundred eighty-six thousand".