40503271 has 4 divisors (see below), whose sum is σ = 41597992. Its totient is φ = 39408552.

The previous prime is 40503257. The next prime is 40503293. The reversal of 40503271 is 17230504.

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

It is not a de Polignac number, because 40503271 - 2¹³ = 40495079 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 (40503251) 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, 547305 + ... + 547378.

It is an arithmetic number, because the mean of its divisors is an integer number (10399498).

Almost surely, 2^40503271 is an apocalyptic number.

40503271 is a deficient number, since it is larger than the sum of its proper divisors (1094721).

40503271 is a wasteful number, since it uses less digits than its factorization.

40503271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094720.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40503271 is about 6364.2180195213. The cubic root of 40503271 is about 343.4235178512.

Adding to 40503271 its reverse (17230504), we get a palindrome (57733775).

The spelling of 40503271 in words is "forty million, five hundred three thousand, two hundred seventy-one".