40271253 has 24 divisors (see below), whose sum is σ = 59649120. Its totient is φ = 23967360.

The previous prime is 40271251. The next prime is 40271291. The reversal of 40271253 is 35217204.

It is not a de Polignac number, because 40271253 - 2¹ = 40271251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40271251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175743 + ... + 175971.

It is an arithmetic number, because the mean of its divisors is an integer number (2485380).

Almost surely, 2^40271253 is an apocalyptic number.

It is an amenable number.

40271253 is a deficient number, since it is larger than the sum of its proper divisors (19377867).

40271253 is a wasteful number, since it uses less digits than its factorization.

40271253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40271253 is about 6345.9635202229. The cubic root of 40271253 is about 342.7665086074.

Adding to 40271253 its reverse (35217204), we get a palindrome (75488457).

The spelling of 40271253 in words is "forty million, two hundred seventy-one thousand, two hundred fifty-three".