38040505 has 8 divisors (see below), whose sum is σ = 47633472. Its totient is φ = 29109168.

The previous prime is 38040479. The next prime is 38040511. The reversal of 38040505 is 50504083.

It is a happy number.

38040505 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 not a de Polignac number, because 38040505 - 2⁵ = 38040473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38040505.

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, 165279 + ... + 165508.

It is an arithmetic number, because the mean of its divisors is an integer number (5954184).

Almost surely, 2^38040505 is an apocalyptic number.

It is an amenable number.

38040505 is a deficient number, since it is larger than the sum of its proper divisors (9592967).

38040505 is a wasteful number, since it uses less digits than its factorization.

38040505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330815.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 38040505 is about 6167.6985172753. The cubic root of 38040505 is about 336.3169516079.

Adding to 38040505 its reverse (50504083), we get a palindrome (88544588).

The spelling of 38040505 in words is "thirty-eight million, forty thousand, five hundred five".