440451216 has 40 divisors (see below), whose sum is σ = 1264259360. Its totient is φ = 146816928.

The previous prime is 440451169. The next prime is 440451223. The reversal of 440451216 is 612154044.

440451216 is a `hidden beast` number, since 440 + 4 + 5 + 1 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 440451216.

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, 509350 + ... + 510213.

It is an arithmetic number, because the mean of its divisors is an integer number (31606484).

Almost surely, 2^440451216 is an apocalyptic number.

It is an amenable number.

440451216 is an abundant number, since it is smaller than the sum of its proper divisors (823808144).

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

440451216 is a wasteful number, since it uses less digits than its factorization.

440451216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019580 (or 1019568 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 440451216 is about 20986.9296468064. The cubic root of 440451216 is about 760.8503962078.

The spelling of 440451216 in words is "four hundred forty million, four hundred fifty-one thousand, two hundred sixteen".