40471005 has 16 divisors (see below), whose sum is σ = 65119680. Its totient is φ = 21462528.

The previous prime is 40471001. The next prime is 40471021. The reversal of 40471005 is 50017404.

It is not a de Polignac number, because 40471005 - 2² = 40471001 is a prime.

It is a Curzon number.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4852 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (4069980).

Almost surely, 2^40471005 is an apocalyptic number.

It is an amenable number.

40471005 is a deficient number, since it is larger than the sum of its proper divisors (24648675).

40471005 is a wasteful number, since it uses less digits than its factorization.

40471005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15260.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40471005 is about 6361.6825604552. The cubic root of 40471005 is about 343.3323001404.

Adding to 40471005 its reverse (50017404), we get a palindrome (90488409).

The spelling of 40471005 in words is "forty million, four hundred seventy-one thousand, five".