40534011 has 24 divisors (see below), whose sum is σ = 70437120. Its totient is φ = 21942576.

The previous prime is 40534009. The next prime is 40534033. The reversal of 40534011 is 11043504.

It is a happy number.

It is not a de Polignac number, because 40534011 - 2¹ = 40534009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15735 + ... + 18128.

It is an arithmetic number, because the mean of its divisors is an integer number (2934880).

Almost surely, 2^40534011 is an apocalyptic number.

40534011 is a deficient number, since it is larger than the sum of its proper divisors (29903109).

40534011 is a wasteful number, since it uses less digits than its factorization.

40534011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33895 (or 33892 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40534011 is about 6366.6326264361. The cubic root of 40534011 is about 343.5103764274.

Adding to 40534011 its reverse (11043504), we get a palindrome (51577515).

The spelling of 40534011 in words is "forty million, five hundred thirty-four thousand, eleven".