40160447 has 4 divisors (see below), whose sum is σ = 41545320. Its totient is φ = 38775576.

The previous prime is 40160441. The next prime is 40160459. The reversal of 40160447 is 74406104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40160447 - 2⁴ = 40160431 is a prime.

It is a super-2 number, since 2×40160447² = 3225723006479618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40160441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692393 + ... + 692450.

It is an arithmetic number, because the mean of its divisors is an integer number (10386330).

Almost surely, 2^40160447 is an apocalyptic number.

40160447 is a deficient number, since it is larger than the sum of its proper divisors (1384873).

40160447 is a wasteful number, since it uses less digits than its factorization.

40160447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384872.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 40160447 is about 6337.2270749911. The cubic root of 40160447 is about 342.4518468187.

The spelling of 40160447 in words is "forty million, one hundred sixty thousand, four hundred forty-seven".