40030216 has 16 divisors (see below), whose sum is σ = 75124800. Its totient is φ = 19996944.

The previous prime is 40030201. The next prime is 40030217. The reversal of 40030216 is 61203004.

It is a self number, because there is not a number n which added to its sum of digits gives 40030216.

It is not an unprimeable number, because it can be changed into a prime (40030217) 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, 13701 + ... + 16363.

It is an arithmetic number, because the mean of its divisors is an integer number (4695300).

Almost surely, 2^40030216 is an apocalyptic number.

It is an amenable number.

40030216 is a deficient number, since it is larger than the sum of its proper divisors (35094584).

40030216 is a wasteful number, since it uses less digits than its factorization.

40030216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548 (or 4544 counting only the distinct ones).

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

The square root of 40030216 is about 6326.9436539296. The cubic root of 40030216 is about 342.0812820495.

The spelling of 40030216 in words is "forty million, thirty thousand, two hundred sixteen".