40540505 has 8 divisors (see below), whose sum is σ = 48710400. Its totient is φ = 32391216.

The previous prime is 40540499. The next prime is 40540517. The reversal of 40540505 is 50504504.

40540505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40540505 - 2⁶ = 40540441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425 + ... + 9014.

It is an arithmetic number, because the mean of its divisors is an integer number (6088800).

Almost surely, 2^40540505 is an apocalyptic number.

It is an amenable number.

40540505 is a deficient number, since it is larger than the sum of its proper divisors (8169895).

40540505 is an equidigital number, since it uses as much as digits as its factorization.

40540505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 40540505 is about 6367.1426087375. The cubic root of 40540505 is about 343.5287201772.

The spelling of 40540505 in words is "forty million, five hundred forty thousand, five hundred five".