40566430 has 16 divisors (see below), whose sum is σ = 74993760. Its totient is φ = 15787872.

The previous prime is 40566413. The next prime is 40566439. The reversal of 40566430 is 3466504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40566439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54450 + ... + 55189.

It is an arithmetic number, because the mean of its divisors is an integer number (4687110).

Almost surely, 2^40566430 is an apocalyptic number.

40566430 is a deficient number, since it is larger than the sum of its proper divisors (34427330).

40566430 is a wasteful number, since it uses less digits than its factorization.

40566430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109683.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40566430 is about 6369.1781259437. The cubic root of 40566430 is about 343.6019316014.

The spelling of 40566430 in words is "forty million, five hundred sixty-six thousand, four hundred thirty".