67040440770 has 16 divisors (see below), whose sum is σ = 160897057920. Its totient is φ = 17877450864.

The previous prime is 67040440723. The next prime is 67040440777. The reversal of 67040440770 is 7704404076.

It is not an unprimeable number, because it can be changed into a prime (67040440777) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1117340650 + ... + 1117340709.

It is an arithmetic number, because the mean of its divisors is an integer number (10056066120).

Almost surely, 2^67040440770 is an apocalyptic number.

67040440770 is an abundant number, since it is smaller than the sum of its proper divisors (93856617150).

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

67040440770 is a wasteful number, since it uses less digits than its factorization.

67040440770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234681369.

The product of its (nonzero) digits is 131712, while the sum is 39.

The spelling of 67040440770 in words is "sixty-seven billion, forty million, four hundred forty thousand, seven hundred seventy".