67129940500 has 48 divisors (see below), whose sum is σ = 167556340224. Its totient is φ = 23015978400.

The previous prime is 67129940483. The next prime is 67129940513. The reversal of 67129940500 is 504992176.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9586492 + ... + 9593491.

It is an arithmetic number, because the mean of its divisors is an integer number (3490757088).

Almost surely, 2^67129940500 is an apocalyptic number.

It is an amenable number.

67129940500 is an abundant number, since it is smaller than the sum of its proper divisors (100426399724).

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

67129940500 is a wasteful number, since it uses less digits than its factorization.

67129940500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19180009 (or 19179997 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 67129940500 in words is "sixty-seven billion, one hundred twenty-nine million, nine hundred forty thousand, five hundred".