67040937920 has 112 divisors (see below), whose sum is σ = 180159660000. Its totient is φ = 23537848320.

The previous prime is 67040937919. The next prime is 67040937937. The reversal of 67040937920 is 2973904076.

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, 226295 + ... + 430454.

Almost surely, 2^67040937920 is an apocalyptic number.

It is an amenable number.

67040937920 is an abundant number, since it is smaller than the sum of its proper divisors (113118722080).

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

67040937920 is a wasteful number, since it uses less digits than its factorization.

67040937920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656806 (or 656796 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 67040937920 in words is "sixty-seven billion, forty million, nine hundred thirty-seven thousand, nine hundred twenty".