40217716 has 48 divisors (see below), whose sum is σ = 92921472. Its totient is φ = 14745600.

The previous prime is 40217711. The next prime is 40217719. The reversal of 40217716 is 61771204.

40217716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40217711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (1935864).

Almost surely, 2^40217716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40217716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46460736).

40217716 is an abundant number, since it is smaller than the sum of its proper divisors (52703756).

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

40217716 is a wasteful number, since it uses less digits than its factorization.

40217716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720 (or 7718 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 40217716 is about 6341.7439241899. The cubic root of 40217716 is about 342.6145488588.

The spelling of 40217716 in words is "forty million, two hundred seventeen thousand, seven hundred sixteen".