629048908240 has 20 divisors (see below), whose sum is σ = 1462538711844. Its totient is φ = 251619563264.

The previous prime is 629048908207. The next prime is 629048908283. The reversal of 629048908240 is 42809840926.

It can be written as a sum of positive squares in 2 ways, for example, as 101635990416 + 527412917824 = 318804^2 + 726232^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931555597 + ... + 3931555756.

Almost surely, 2^629048908240 is an apocalyptic number.

It is an amenable number.

629048908240 is an abundant number, since it is smaller than the sum of its proper divisors (833489803604).

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

629048908240 is a wasteful number, since it uses less digits than its factorization.

629048908240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863111366 (or 7863111360 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 629048908240 in words is "six hundred twenty-nine billion, forty-eight million, nine hundred eight thousand, two hundred forty".