68042510502 has 16 divisors (see below), whose sum is σ = 136096858800. Its totient is φ = 22678863872.

The previous prime is 68042510477. The next prime is 68042510513. The reversal of 68042510502 is 20501524086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417627 + ... + 557222.

It is an arithmetic number, because the mean of its divisors is an integer number (8506053675).

Almost surely, 2^68042510502 is an apocalyptic number.

68042510502 is an abundant number, since it is smaller than the sum of its proper divisors (68054348298).

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

68042510502 is a wasteful number, since it uses less digits than its factorization.

68042510502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986487.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 68042510502 in words is "sixty-eight billion, forty-two million, five hundred ten thousand, five hundred two".