67040226541 has 4 divisors (see below), whose sum is σ = 67061974752. Its totient is φ = 67018478332.

The previous prime is 67040226523. The next prime is 67040226581. The reversal of 67040226541 is 14562204076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67040226541 - 2⁵ = 67040226509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67040226541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67040226581) 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 3 ways as a sum of consecutive naturals, for example, 10869481 + ... + 10875646.

It is an arithmetic number, because the mean of its divisors is an integer number (16765493688).

Almost surely, 2^67040226541 is an apocalyptic number.

It is an amenable number.

67040226541 is a deficient number, since it is larger than the sum of its proper divisors (21748211).

67040226541 is a wasteful number, since it uses less digits than its factorization.

67040226541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21748210.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 67040226541 in words is "sixty-seven billion, forty million, two hundred twenty-six thousand, five hundred forty-one".