629642044 has 6 divisors (see below), whose sum is σ = 1101873584. Its totient is φ = 314821020.

The previous prime is 629642029. The next prime is 629642047. The reversal of 629642044 is 440246926.

629642044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 629641994 and 629642012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629642047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78705252 + ... + 78705259.

Almost surely, 2^629642044 is an apocalyptic number.

It is an amenable number.

629642044 is a deficient number, since it is larger than the sum of its proper divisors (472231540).

629642044 is a wasteful number, since it uses less digits than its factorization.

629642044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157410515 (or 157410513 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 629642044 is about 25092.6691286519. The cubic root of 629642044 is about 857.0994966055.

The spelling of 629642044 in words is "six hundred twenty-nine million, six hundred forty-two thousand, forty-four".