40335605 has 8 divisors (see below), whose sum is σ = 48439512. Its totient is φ = 32243968.

The previous prime is 40335599. The next prime is 40335623. The reversal of 40335605 is 50653304.

It can be written as a sum of positive squares in 4 ways, for example, as 18861649 + 21473956 = 4343^2 + 4634^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40335605 is a prime.

It is a super-2 number, since 2×40335605² = 3253922061432050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 7457 + ... + 11673.

It is an arithmetic number, because the mean of its divisors is an integer number (6054939).

Almost surely, 2^40335605 is an apocalyptic number.

It is an amenable number.

40335605 is a deficient number, since it is larger than the sum of its proper divisors (8103907).

40335605 is a wasteful number, since it uses less digits than its factorization.

40335605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 40335605 is about 6351.0318059352. The cubic root of 40335605 is about 342.9489875885.

Adding to 40335605 its reverse (50653304), we get a palindrome (90988909).

The spelling of 40335605 in words is "forty million, three hundred thirty-five thousand, six hundred five".