40135505 has 8 divisors (see below), whose sum is σ = 50697600. Its totient is φ = 30418416.

The previous prime is 40135493. The next prime is 40135523. The reversal of 40135505 is 50553104.

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

It is a cyclic number.

It is not a de Polignac number, because 40135505 - 2¹⁰ = 40134481 is a prime.

It is a super-2 number, since 2×40135505² = 3221717523210050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211145 + ... + 211334.

It is an arithmetic number, because the mean of its divisors is an integer number (6337200).

Almost surely, 2^40135505 is an apocalyptic number.

It is an amenable number.

40135505 is a deficient number, since it is larger than the sum of its proper divisors (10562095).

40135505 is a wasteful number, since it uses less digits than its factorization.

40135505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422503.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 40135505 is about 6335.2588739530. The cubic root of 40135505 is about 342.3809378900.

Adding to 40135505 its reverse (50553104), we get a palindrome (90688609).

The spelling of 40135505 in words is "forty million, one hundred thirty-five thousand, five hundred five".