40730216 has 16 divisors (see below), whose sum is σ = 76655040. Its totient is φ = 20288880.

The previous prime is 40730191. The next prime is 40730219. The reversal of 40730216 is 61203704.

It is a junction number, because it is equal to n+sod(n) for n = 40730191 and 40730200.

It is not an unprimeable number, because it can be changed into a prime (40730219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7226 + ... + 11561.

It is an arithmetic number, because the mean of its divisors is an integer number (4790940).

Almost surely, 2^40730216 is an apocalyptic number.

It is an amenable number.

40730216 is a deficient number, since it is larger than the sum of its proper divisors (35924824).

40730216 is a wasteful number, since it uses less digits than its factorization.

40730216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19064 (or 19060 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40730216 is about 6382.0228768001. The cubic root of 40730216 is about 344.0637388653.

The spelling of 40730216 in words is "forty million, seven hundred thirty thousand, two hundred sixteen".