40534535 has 4 divisors (see below), whose sum is σ = 48641448. Its totient is φ = 32427624.

The previous prime is 40534519. The next prime is 40534537. The reversal of 40534535 is 53543504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40534535 - 2⁴ = 40534519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40534498 and 40534507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4053449 + ... + 4053458.

It is an arithmetic number, because the mean of its divisors is an integer number (12160362).

Almost surely, 2^40534535 is an apocalyptic number.

40534535 is a deficient number, since it is larger than the sum of its proper divisors (8106913).

40534535 is an equidigital number, since it uses as much as digits as its factorization.

40534535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106912.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 40534535 is about 6366.6737783555. The cubic root of 40534535 is about 343.5118566548.

The spelling of 40534535 in words is "forty million, five hundred thirty-four thousand, five hundred thirty-five".