40653216 has 36 divisors (see below), whose sum is σ = 115608402. Its totient is φ = 13550976.

The previous prime is 40653199. The next prime is 40653253. The reversal of 40653216 is 61235604.

40653216 is a `hidden beast` number, since 4 + 0 + 653 + 2 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33872400 + 6780816 = 5820^2 + 2604^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×40653216² = 3305367942285312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40653216.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70291 + ... + 70866.

Almost surely, 2^40653216 is an apocalyptic number.

It is an amenable number.

40653216 is an abundant number, since it is smaller than the sum of its proper divisors (74955186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40653216 is a wasteful number, since it uses less digits than its factorization.

40653216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141173 (or 141162 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40653216 is about 6375.9874529362. The cubic root of 40653216 is about 343.8467859256.

The spelling of 40653216 in words is "forty million, six hundred fifty-three thousand, two hundred sixteen".