67344174040 has 64 divisors (see below), whose sum is σ = 178014684960. Its totient is φ = 22605035520.

The previous prime is 67344174019. The next prime is 67344174043. The reversal of 67344174040 is 4047144376.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 67344173984 and 67344174002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67344174043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5881009 + ... + 5892448.

Almost surely, 2^67344174040 is an apocalyptic number.

It is an amenable number.

67344174040 is an abundant number, since it is smaller than the sum of its proper divisors (110670510920).

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

67344174040 is a wasteful number, since it uses less digits than its factorization.

67344174040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11773492 (or 11773488 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 67344174040 in words is "sixty-seven billion, three hundred forty-four million, one hundred seventy-four thousand, forty".