67041009520 has 20 divisors (see below), whose sum is σ = 155870347320. Its totient is φ = 26816403776.

The previous prime is 67041009509. The next prime is 67041009599. The reversal of 67041009520 is 2590014076.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419006230 + ... + 419006389.

It is an arithmetic number, because the mean of its divisors is an integer number (7793517366).

Almost surely, 2^67041009520 is an apocalyptic number.

It is an amenable number.

67041009520 is an abundant number, since it is smaller than the sum of its proper divisors (88829337800).

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

67041009520 is a wasteful number, since it uses less digits than its factorization.

67041009520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838012632 (or 838012626 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 67041009520 in words is "sixty-seven billion, forty-one million, nine thousand, five hundred twenty".