40216608 has 96 divisors (see below), whose sum is σ = 118843200. Its totient is φ = 13229568.

The previous prime is 40216541. The next prime is 40216619. The reversal of 40216608 is 80661204.

40216608 is a `hidden beast` number, since 40 + 2 + 16 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76635 + ... + 77157.

It is an arithmetic number, because the mean of its divisors is an integer number (1237950).

Almost surely, 2^40216608 is an apocalyptic number.

40216608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40216608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59421600).

40216608 is an abundant number, since it is smaller than the sum of its proper divisors (78626592).

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

40216608 is a wasteful number, since it uses less digits than its factorization.

40216608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40216608 is about 6341.6565659140. The cubic root of 40216608 is about 342.6114024809.

The spelling of 40216608 in words is "forty million, two hundred sixteen thousand, six hundred eight".