67040326278 has 24 divisors (see below), whose sum is σ = 145332755568. Its totient is φ = 22334665392.

The previous prime is 67040326273. The next prime is 67040326279. The reversal of 67040326278 is 87262304076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67040326271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 975001 + ... + 1041492.

It is an arithmetic number, because the mean of its divisors is an integer number (6055531482).

Almost surely, 2^67040326278 is an apocalyptic number.

67040326278 is an abundant number, since it is smaller than the sum of its proper divisors (78292429290).

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

67040326278 is a wasteful number, since it uses less digits than its factorization.

67040326278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018348 (or 2018345 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 67040326278 in words is "sixty-seven billion, forty million, three hundred twenty-six thousand, two hundred seventy-eight".