40310216 has 32 divisors (see below), whose sum is σ = 78775200. Its totient is φ = 19320960.

The previous prime is 40310209. The next prime is 40310219. The reversal of 40310216 is 61201304.

It is a junction number, because it is equal to n+sod(n) for n = 40310194 and 40310203.

It is not an unprimeable number, because it can be changed into a prime (40310219) 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, 18311 + ... + 20393.

It is an arithmetic number, because the mean of its divisors is an integer number (2461725).

Almost surely, 2^40310216 is an apocalyptic number.

It is an amenable number.

40310216 is a deficient number, since it is larger than the sum of its proper divisors (38464984).

40310216 is a wasteful number, since it uses less digits than its factorization.

40310216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40310216 is about 6349.0326822281. The cubic root of 40310216 is about 342.8770167713.

The spelling of 40310216 in words is "forty million, three hundred ten thousand, two hundred sixteen".