67446140312 has 16 divisors (see below), whose sum is σ = 126735840000. Its totient is φ = 33649916320.

The previous prime is 67446140299. The next prime is 67446140327. The reversal of 67446140312 is 21304164476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9140312 + ... + 9147687.

It is an arithmetic number, because the mean of its divisors is an integer number (7920990000).

Almost surely, 2^67446140312 is an apocalyptic number.

It is an amenable number.

67446140312 is a deficient number, since it is larger than the sum of its proper divisors (59289699688).

67446140312 is a wasteful number, since it uses less digits than its factorization.

67446140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18288466 (or 18288462 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 67446140312 in words is "sixty-seven billion, four hundred forty-six million, one hundred forty thousand, three hundred twelve".