40540371 has 8 divisors (see below), whose sum is σ = 54083520. Its totient is φ = 27012072.

The previous prime is 40540363. The next prime is 40540387. The reversal of 40540371 is 17304504.

40540371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40540371 - 2³ = 40540363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40540321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7500 + ... + 11718.

It is an arithmetic number, because the mean of its divisors is an integer number (6760440).

Almost surely, 2^40540371 is an apocalyptic number.

40540371 is a deficient number, since it is larger than the sum of its proper divisors (13543149).

40540371 is a wasteful number, since it uses less digits than its factorization.

40540371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425.

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

The square root of 40540371 is about 6367.1320859552. The cubic root of 40540371 is about 343.5283416841.

Adding to 40540371 its reverse (17304504), we get a palindrome (57844875).

The spelling of 40540371 in words is "forty million, five hundred forty thousand, three hundred seventy-one".