40415071 has 12 divisors (see below), whose sum is σ = 44483320. Its totient is φ = 36614160.

The previous prime is 40415029. The next prime is 40415093. The reversal of 40415071 is 17051404.

It is not a de Polignac number, because 40415071 - 2⁷ = 40414943 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40415371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8041 + ... + 12061.

Almost surely, 2^40415071 is an apocalyptic number.

40415071 is the 4021-st heptagonal number.

40415071 is a deficient number, since it is larger than the sum of its proper divisors (4068249).

40415071 is a wasteful number, since it uses less digits than its factorization.

40415071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086 (or 4063 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 40415071 is about 6357.2848764233. The cubic root of 40415071 is about 343.1740567858.

Adding to 40415071 its reverse (17051404), we get a palindrome (57466475).

The spelling of 40415071 in words is "forty million, four hundred fifteen thousand, seventy-one".