40216352 has 48 divisors (see below), whose sum is σ = 88415712. Its totient is φ = 17848320.

The previous prime is 40216333. The next prime is 40216381. The reversal of 40216352 is 25361204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13808 + ... + 16464.

It is an arithmetic number, because the mean of its divisors is an integer number (1841994).

Almost surely, 2^40216352 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 40216352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44207856).

40216352 is an abundant number, since it is smaller than the sum of its proper divisors (48199360).

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

40216352 is a wasteful number, since it uses less digits than its factorization.

40216352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721 (or 2713 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40216352 is about 6341.6363818813. The cubic root of 40216352 is about 342.6106755117.

Adding to 40216352 its reverse (25361204), we get a palindrome (65577556).

The spelling of 40216352 in words is "forty million, two hundred sixteen thousand, three hundred fifty-two".