40340535 has 8 divisors (see below), whose sum is σ = 64544880. Its totient is φ = 21514944.

The previous prime is 40340513. The next prime is 40340543. The reversal of 40340535 is 53504304.

It is a happy number.

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

It is not a de Polignac number, because 40340535 - 2¹⁰ = 40339511 is a prime.

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, 1344670 + ... + 1344699.

It is an arithmetic number, because the mean of its divisors is an integer number (8068110).

Almost surely, 2^40340535 is an apocalyptic number.

40340535 is a deficient number, since it is larger than the sum of its proper divisors (24204345).

40340535 is a wasteful number, since it uses less digits than its factorization.

40340535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689377.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 40340535 is about 6351.4199199864. The cubic root of 40340535 is about 342.9629592779.

Adding to 40340535 its reverse (53504304), we get a palindrome (93844839).

The spelling of 40340535 in words is "forty million, three hundred forty thousand, five hundred thirty-five".