40534311 has 16 divisors (see below), whose sum is σ = 54902016. Its totient is φ = 26598336.

The previous prime is 40534309. The next prime is 40534313. The reversal of 40534311 is 11343504.

It is an interprime number because it is at equal distance from previous prime (40534309) and next prime (40534313).

It is not a de Polignac number, because 40534311 - 2¹ = 40534309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71716 + ... + 72278.

It is an arithmetic number, because the mean of its divisors is an integer number (3431376).

Almost surely, 2^40534311 is an apocalyptic number.

40534311 is a deficient number, since it is larger than the sum of its proper divisors (14367705).

40534311 is a wasteful number, since it uses less digits than its factorization.

40534311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40534311 is about 6366.6561867278. The cubic root of 40534311 is about 343.5112238874.

Adding to 40534311 its reverse (11343504), we get a palindrome (51877815).

It can be divided in two parts, 405 and 34311, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 40534311 in words is "forty million, five hundred thirty-four thousand, three hundred eleven".