629649144 has 48 divisors (see below), whose sum is σ = 1707235920. Its totient is φ = 209644800.

The previous prime is 629649079. The next prime is 629649161. The reversal of 629649144 is 441946926.

629649144 is a `hidden beast` number, since 629 + 6 + 4 + 9 + 14 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 629649144.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 65869 + ... + 74819.

It is an arithmetic number, because the mean of its divisors is an integer number (35567415).

Almost surely, 2^629649144 is an apocalyptic number.

It is an amenable number.

629649144 is an abundant number, since it is smaller than the sum of its proper divisors (1077586776).

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

629649144 is a wasteful number, since it uses less digits than its factorization.

629649144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9940 (or 9933 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 629649144 is about 25092.8106038363. The cubic root of 629649144 is about 857.1027182156.

The spelling of 629649144 in words is "six hundred twenty-nine million, six hundred forty-nine thousand, one hundred forty-four".