40271245 has 16 divisors (see below), whose sum is σ = 56406528. Its totient is φ = 27025920.

The previous prime is 40271243. The next prime is 40271251. The reversal of 40271245 is 54217204.

It is not a de Polignac number, because 40271245 - 2¹ = 40271243 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 (40271243) 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, 10596 + ... + 13885.

It is an arithmetic number, because the mean of its divisors is an integer number (3525408).

Almost surely, 2^40271245 is an apocalyptic number.

It is an amenable number.

40271245 is a deficient number, since it is larger than the sum of its proper divisors (16135283).

40271245 is a wasteful number, since it uses less digits than its factorization.

40271245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24540.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 40271245 is about 6345.9628899009. The cubic root of 40271245 is about 342.7664859103.

Adding to 40271245 its reverse (54217204), we get a palindrome (94488449).

The spelling of 40271245 in words is "forty million, two hundred seventy-one thousand, two hundred forty-five".