68629369040 has 40 divisors (see below), whose sum is σ = 159574191360. Its totient is φ = 27449870976.

The previous prime is 68629369021. The next prime is 68629369073. The reversal of 68629369040 is 4096392686.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 2218157 + ... + 2248883.

It is an arithmetic number, because the mean of its divisors is an integer number (3989354784).

Almost surely, 2^68629369040 is an apocalyptic number.

It is an amenable number.

68629369040 is an abundant number, since it is smaller than the sum of its proper divisors (90944822320).

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

68629369040 is a wasteful number, since it uses less digits than its factorization.

68629369040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58659 (or 58653 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 68629369040 in words is "sixty-eight billion, six hundred twenty-nine million, three hundred sixty-nine thousand, forty".