40440230 has 8 divisors (see below), whose sum is σ = 72792432. Its totient is φ = 16176088.

The previous prime is 40440221. The next prime is 40440259. The reversal of 40440230 is 3204404.

40440230 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40440199 and 40440208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022002 + ... + 2022021.

It is an arithmetic number, because the mean of its divisors is an integer number (9099054).

Almost surely, 2^40440230 is an apocalyptic number.

40440230 is a deficient number, since it is larger than the sum of its proper divisors (32352202).

40440230 is a wasteful number, since it uses less digits than its factorization.

40440230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044030.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40440230 is about 6359.2633221152. The cubic root of 40440230 is about 343.2452523812.

Adding to 40440230 its reverse (3204404), we get a palindrome (43644634).

The spelling of 40440230 in words is "forty million, four hundred forty thousand, two hundred thirty".