40011471 has 6 divisors (see below), whose sum is σ = 57794360. Its totient is φ = 26674308.

The previous prime is 40011469. The next prime is 40011479. The reversal of 40011471 is 17411004.

40011471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40011471 - 2¹ = 40011469 is a prime.

It is a super-3 number, since 3×40011471³ (a number of 24 digits) contains 333 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 (40011479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2222851 + ... + 2222868.

Almost surely, 2^40011471 is an apocalyptic number.

40011471 is a deficient number, since it is larger than the sum of its proper divisors (17782889).

40011471 is a wasteful number, since it uses less digits than its factorization.

40011471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445725 (or 4445722 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 40011471 is about 6325.4621175057. The cubic root of 40011471 is about 342.0278781009.

Adding to 40011471 its reverse (17411004), we get a palindrome (57422475).

The spelling of 40011471 in words is "forty million, eleven thousand, four hundred seventy-one".