40216576 has 48 divisors (see below), whose sum is σ = 81818100. Its totient is φ = 19759104.

The previous prime is 40216541. The next prime is 40216619. The reversal of 40216576 is 67561204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38142976 + 2073600 = 6176^2 + 1440^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149370 + ... + 149638.

Almost surely, 2^40216576 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 40216576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40909050).

40216576 is an abundant number, since it is smaller than the sum of its proper divisors (41601524).

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

40216576 is an equidigital number, since it uses as much as digits as its factorization.

40216576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40216576 is about 6341.6540429134. The cubic root of 40216576 is about 342.6113116099.

The spelling of 40216576 in words is "forty million, two hundred sixteen thousand, five hundred seventy-six".