67440326056982 has 16 divisors (see below), whose sum is σ = 105559259730912. Its totient is φ = 32253919716480.

The previous prime is 67440326056979. The next prime is 67440326056997. The reversal of 67440326056982 is 28965062304476.

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 7 ways as a sum of consecutive naturals, for example, 6997568 + ... + 13559004.

It is an arithmetic number, because the mean of its divisors is an integer number (6597453733182).

Almost surely, 2^{67440326056982} is an apocalyptic number.

67440326056982 is a deficient number, since it is larger than the sum of its proper divisors (38118933673930).

67440326056982 is a wasteful number, since it uses less digits than its factorization.

67440326056982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6784903.

The product of its (nonzero) digits is 104509440, while the sum is 62.

The spelling of 67440326056982 in words is "sixty-seven trillion, four hundred forty billion, three hundred twenty-six million, fifty-six thousand, nine hundred eighty-two".