40271382 has 24 divisors (see below), whose sum is σ = 87783696. Its totient is φ = 13342416.

The previous prime is 40271381. The next prime is 40271411. The reversal of 40271382 is 28317204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40271381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3693 + ... + 9704.

It is an arithmetic number, because the mean of its divisors is an integer number (3657654).

Almost surely, 2^40271382 is an apocalyptic number.

40271382 is an abundant number, since it is smaller than the sum of its proper divisors (47512314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40271382 is a wasteful number, since it uses less digits than its factorization.

40271382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13572 (or 13569 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40271382 is about 6345.9736841560. The cubic root of 40271382 is about 342.7668745991.

Adding to 40271382 its reverse (28317204), we get a palindrome (68588586).

The spelling of 40271382 in words is "forty million, two hundred seventy-one thousand, three hundred eighty-two".