40216030 has 16 divisors (see below), whose sum is σ = 72471024. Its totient is φ = 16068160.

The previous prime is 40215997. The next prime is 40216031. The reversal of 40216030 is 3061204.

It is a junction number, because it is equal to n+sod(n) for n = 40215995 and 40216013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40216031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10245 + ... + 13615.

It is an arithmetic number, because the mean of its divisors is an integer number (4529439).

Almost surely, 2^40216030 is an apocalyptic number.

40216030 is a deficient number, since it is larger than the sum of its proper divisors (32254994).

40216030 is a wasteful number, since it uses less digits than its factorization.

40216030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 40216030 is about 6341.6109940614. The cubic root of 40216030 is about 342.6097611164.

Adding to 40216030 its reverse (3061204), we get a palindrome (43277234).

The spelling of 40216030 in words is "forty million, two hundred sixteen thousand, thirty".