40368216 has 32 divisors (see below), whose sum is σ = 115338240. Its totient is φ = 11533728.

The previous prime is 40368187. The next prime is 40368239. The reversal of 40368216 is 61286304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119976 + ... + 120311.

It is an arithmetic number, because the mean of its divisors is an integer number (3604320).

Almost surely, 2^40368216 is an apocalyptic number.

It is an amenable number.

40368216 is an abundant number, since it is smaller than the sum of its proper divisors (74970024).

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

40368216 is a wasteful number, since it uses less digits than its factorization.

40368216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240303 (or 240299 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 40368216 is about 6353.5986653235. The cubic root of 40368216 is about 343.0413864898.

The spelling of 40368216 in words is "forty million, three hundred sixty-eight thousand, two hundred sixteen".