40253005 has 8 divisors (see below), whose sum is σ = 52019352. Its totient is φ = 29725248.

The previous prime is 40252987. The next prime is 40253011. The reversal of 40253005 is 50035204.

It is a happy number.

40253005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32041 + 40220964 = 179^2 + 6342^2 .

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 40253005 - 2¹¹ = 40250957 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 309574 + ... + 309703.

It is an arithmetic number, because the mean of its divisors is an integer number (6502419).

Almost surely, 2^40253005 is an apocalyptic number.

It is an amenable number.

40253005 is a deficient number, since it is larger than the sum of its proper divisors (11766347).

40253005 is a wasteful number, since it uses less digits than its factorization.

40253005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619295.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 40253005 is about 6344.5255929817. The cubic root of 40253005 is about 342.7147285099.

Adding to 40253005 its reverse (50035204), we get a palindrome (90288209).

The spelling of 40253005 in words is "forty million, two hundred fifty-three thousand, five".