40234071 has 4 divisors (see below), whose sum is σ = 53645432. Its totient is φ = 26822712.

The previous prime is 40234069. The next prime is 40234081. The reversal of 40234071 is 17043204.

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

It is not a de Polignac number, because 40234071 - 2¹ = 40234069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234031) 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, 6705676 + ... + 6705681.

It is an arithmetic number, because the mean of its divisors is an integer number (13411358).

Almost surely, 2^40234071 is an apocalyptic number.

40234071 is a deficient number, since it is larger than the sum of its proper divisors (13411361).

40234071 is a wasteful number, since it uses less digits than its factorization.

40234071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13411360.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40234071 is about 6343.0332649293. The cubic root of 40234071 is about 342.6609852896.

Adding to 40234071 its reverse (17043204), we get a palindrome (57277275).

The spelling of 40234071 in words is "forty million, two hundred thirty-four thousand, seventy-one".