40505335 has 16 divisors (see below), whose sum is σ = 53625600. Its totient is φ = 29180160.

The previous prime is 40505317. The next prime is 40505341. The reversal of 40505335 is 53350504.

It is a happy number.

It is not a de Polignac number, because 40505335 - 2¹⁵ = 40472567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4935 + ... + 10264.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 2^40505335 is an apocalyptic number.

40505335 is a deficient number, since it is larger than the sum of its proper divisors (13120265).

40505335 is a wasteful number, since it uses less digits than its factorization.

40505335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15258.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 40505335 is about 6364.3801740625. The cubic root of 40505335 is about 343.4293512409.

Adding to 40505335 its reverse (53350504), we get a palindrome (93855839).

The spelling of 40505335 in words is "forty million, five hundred five thousand, three hundred thirty-five".