67040540522 has 8 divisors (see below), whose sum is σ = 100563952356. Its totient is φ = 33519223072.

The previous prime is 67040540509. The next prime is 67040540531. The reversal of 67040540522 is 22504504076.

It can be written as a sum of positive squares in 2 ways, for example, as 59419425121 + 7621115401 = 243761^2 + 87299^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440963 + ... + 573174.

Almost surely, 2^67040540522 is an apocalyptic number.

67040540522 is a deficient number, since it is larger than the sum of its proper divisors (33523411834).

67040540522 is a wasteful number, since it uses less digits than its factorization.

67040540522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047192.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 67040540522 in words is "sixty-seven billion, forty million, five hundred forty thousand, five hundred twenty-two".