40535005 has 12 divisors (see below), whose sum is σ = 56583900. Its totient is φ = 27795264.

The previous prime is 40534997. The next prime is 40535051. The reversal of 40535005 is 50053504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9018009 + 31516996 = 3003^2 + 5614^2 .

It is not a de Polignac number, because 40535005 - 2³ = 40534997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82480 + ... + 82969.

It is an arithmetic number, because the mean of its divisors is an integer number (4715325).

Almost surely, 2^40535005 is an apocalyptic number.

It is an amenable number.

40535005 is a deficient number, since it is larger than the sum of its proper divisors (16048895).

40535005 is a wasteful number, since it uses less digits than its factorization.

40535005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165468 (or 165461 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 40535005 is about 6366.7106892021. The cubic root of 40535005 is about 343.5131843288.

Adding to 40535005 its reverse (50053504), we get a palindrome (90588509).

It can be divided in two parts, 4053 and 5005, that multiplied together give a triangular number (20285265 = T₆₃₆₉).

The spelling of 40535005 in words is "forty million, five hundred thirty-five thousand, five".