628242242008 has 8 divisors (see below), whose sum is σ = 1177954203780. Its totient is φ = 314121121000.

The previous prime is 628242241969. The next prime is 628242242041. The reversal of 628242242008 is 800242242826.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 39265140118 + ... + 39265140133.

Almost surely, 2^628242242008 is an apocalyptic number.

It is an amenable number.

628242242008 is a deficient number, since it is larger than the sum of its proper divisors (549711961772).

628242242008 is a wasteful number, since it uses less digits than its factorization.

628242242008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78530280257 (or 78530280253 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 40.

The spelling of 628242242008 in words is "six hundred twenty-eight billion, two hundred forty-two million, two hundred forty-two thousand, eight".