67401840039 has 8 divisors (see below), whose sum is σ = 89873548272. Its totient is φ = 44932345920.

The previous prime is 67401840019. The next prime is 67401840089. The reversal of 67401840039 is 93004810476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67401840039 - 2⁵ = 67401840007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67401840019) 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, 481144 + ... + 605229.

It is an arithmetic number, because the mean of its divisors is an integer number (11234193534).

Almost surely, 2^67401840039 is an apocalyptic number.

67401840039 is a deficient number, since it is larger than the sum of its proper divisors (22471708233).

67401840039 is a wasteful number, since it uses less digits than its factorization.

67401840039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107057.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 67401840039 in words is "sixty-seven billion, four hundred one million, eight hundred forty thousand, thirty-nine".