40305230 has 32 divisors (see below), whose sum is σ = 83160000. Its totient is φ = 13777920.

The previous prime is 40305227. The next prime is 40305241. The reversal of 40305230 is 3250304.

It is a junction number, because it is equal to n+sod(n) for n = 40305199 and 40305208.

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 15 ways as a sum of consecutive naturals, for example, 31646 + ... + 32894.

It is an arithmetic number, because the mean of its divisors is an integer number (2598750).

Almost surely, 2^40305230 is an apocalyptic number.

40305230 is an abundant number, since it is smaller than the sum of its proper divisors (42854770).

40305230 is a wasteful number, since it uses less digits than its factorization.

40305230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 40305230 is about 6348.6400118451. The cubic root of 40305230 is about 342.8628792856.

Adding to 40305230 its reverse (3250304), we get a palindrome (43555534).

The spelling of 40305230 in words is "forty million, three hundred five thousand, two hundred thirty".