440166216 has 48 divisors (see below), whose sum is σ = 1280078640. Its totient is φ = 125761440.

The previous prime is 440166211. The next prime is 440166239. The reversal of 440166216 is 612661044.

It is not an unprimeable number, because it can be changed into a prime (440166211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185970 + ... + 188321.

It is an arithmetic number, because the mean of its divisors is an integer number (26668305).

Almost surely, 2^440166216 is an apocalyptic number.

It is an amenable number.

440166216 is an abundant number, since it is smaller than the sum of its proper divisors (839912424).

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

440166216 is a wasteful number, since it uses less digits than its factorization.

440166216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374314 (or 374303 counting only the distinct ones).

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

The square root of 440166216 is about 20980.1386077404. The cubic root of 440166216 is about 760.6862545715.

The spelling of 440166216 in words is "four hundred forty million, one hundred sixty-six thousand, two hundred sixteen".