40530401 has 8 divisors (see below), whose sum is σ = 42791520. Its totient is φ = 38282112.

The previous prime is 40530389. The next prime is 40530407. The reversal of 40530401 is 10403504.

40530401 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 de Polignac number, because none of the positive numbers 2^k-40530401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40530401.

It is not an unprimeable number, because it can be changed into a prime (40530407) by changing a digit.

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, 3686 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (5348940).

Almost surely, 2^40530401 is an apocalyptic number.

It is an amenable number.

40530401 is a deficient number, since it is larger than the sum of its proper divisors (2261119).

40530401 is a wasteful number, since it uses less digits than its factorization.

40530401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6415.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40530401 is about 6366.3491107541. The cubic root of 40530401 is about 343.5001783308.

Adding to 40530401 its reverse (10403504), we get a palindrome (50933905).

The spelling of 40530401 in words is "forty million, five hundred thirty thousand, four hundred one".