67449039042 has 64 divisors (see below), whose sum is σ = 168227933184. Its totient is φ = 17514719040.

The previous prime is 67449039001. The next prime is 67449039059. The reversal of 67449039042 is 24093094476.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 67449038982 and 67449039000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2014813 + ... + 2048015.

It is an arithmetic number, because the mean of its divisors is an integer number (2628561456).

Almost surely, 2^67449039042 is an apocalyptic number.

67449039042 is an abundant number, since it is smaller than the sum of its proper divisors (100778894142).

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

67449039042 is a wasteful number, since it uses less digits than its factorization.

67449039042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37623.

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 67449039042 in words is "sixty-seven billion, four hundred forty-nine million, thirty-nine thousand, forty-two".