40471081 has 8 divisors (see below), whose sum is σ = 47503040. Its totient is φ = 33751728.

The previous prime is 40471061. The next prime is 40471091. The reversal of 40471081 is 18017404.

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 40471081 - 2⁹ = 40470569 is a prime.

It is a super-2 number, since 2×40471081² = 3275816794617122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40471001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77871 + ... + 78388.

It is an arithmetic number, because the mean of its divisors is an integer number (5937880).

Almost surely, 2^40471081 is an apocalyptic number.

It is an amenable number.

40471081 is a deficient number, since it is larger than the sum of its proper divisors (7031959).

40471081 is a wasteful number, since it uses less digits than its factorization.

40471081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156303.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 40471081 is about 6361.6885337149. The cubic root of 40471081 is about 343.3325150534.

Adding to 40471081 its reverse (18017404), we get a palindrome (58488485).

The spelling of 40471081 in words is "forty million, four hundred seventy-one thousand, eighty-one".