40301216 has 12 divisors (see below), whose sum is σ = 79343082. Its totient is φ = 20150592.

The previous prime is 40301207. The next prime is 40301263. The reversal of 40301216 is 61210304.

It can be written as a sum of positive squares in only one way, i.e., 20976400 + 19324816 = 4580^2 + 4396^2 .

It is a super-2 number, since 2×40301216² = 3248376022157312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40301194 and 40301203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629675 + ... + 629738.

Almost surely, 2^40301216 is an apocalyptic number.

It is an amenable number.

40301216 is a deficient number, since it is larger than the sum of its proper divisors (39041866).

40301216 is a wasteful number, since it uses less digits than its factorization.

40301216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259423 (or 1259415 counting only the distinct ones).

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

The square root of 40301216 is about 6348.3238732755. The cubic root of 40301216 is about 342.8514969970.

The spelling of 40301216 in words is "forty million, three hundred one thousand, two hundred sixteen".