67336781348040 has 64 divisors (see below), whose sum is σ = 213893305464960. Its totient is φ = 16900211788800.

The previous prime is 67336781347999. The next prime is 67336781348093. The reversal of 67336781348040 is 4084318763376.

It is a super-2 number, since 2×67336781348040² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 16504111036 + ... + 16504115115.

It is an arithmetic number, because the mean of its divisors is an integer number (3342082897890).

Almost surely, 2^{67336781348040} is an apocalyptic number.

67336781348040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67336781348040 is an abundant number, since it is smaller than the sum of its proper divisors (146556524116920).

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

67336781348040 is a wasteful number, since it uses less digits than its factorization.

67336781348040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33008226182 (or 33008226178 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 60.

The spelling of 67336781348040 in words is "sixty-seven trillion, three hundred thirty-six billion, seven hundred eighty-one million, three hundred forty-eight thousand, forty".