40271345 has 8 divisors (see below), whose sum is σ = 48401064. Its totient is φ = 32166784.

The previous prime is 40271333. The next prime is 40271353. The reversal of 40271345 is 54317204.

It can be written as a sum of positive squares in 4 ways, for example, as 29669809 + 10601536 = 5447^2 + 3256^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40271345 - 2¹⁸ = 40009201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2564 + ... + 9333.

It is an arithmetic number, because the mean of its divisors is an integer number (6050133).

Almost surely, 2^40271345 is an apocalyptic number.

It is an amenable number.

40271345 is a deficient number, since it is larger than the sum of its proper divisors (8129719).

40271345 is a wasteful number, since it uses less digits than its factorization.

40271345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12579.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40271345 is about 6345.9707689210. The cubic root of 40271345 is about 342.7667696249.

Adding to 40271345 its reverse (54317204), we get a palindrome (94588549).

The spelling of 40271345 in words is "forty million, two hundred seventy-one thousand, three hundred forty-five".