40067072065 has 8 divisors (see below), whose sum is σ = 49103475840. Its totient is φ = 31371664752.

The previous prime is 40067072027. The next prime is 40067072083. The reversal of 40067072065 is 56027076004.

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

It is a cyclic number.

It is not a de Polignac number, because 40067072065 - 2²⁹ = 39530201153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85248855 + ... + 85249324.

It is an arithmetic number, because the mean of its divisors is an integer number (6137934480).

Almost surely, 2^40067072065 is an apocalyptic number.

It is an amenable number.

40067072065 is a deficient number, since it is larger than the sum of its proper divisors (9036403775).

40067072065 is a wasteful number, since it uses less digits than its factorization.

40067072065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170498231.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 40067072065 in words is "forty billion, sixty-seven million, seventy-two thousand, sixty-five".