634041216 has 64 divisors (see below), whose sum is σ = 1871312400. Its totient is φ = 211345920.

The previous prime is 634041193. The next prime is 634041217. The reversal of 634041216 is 612140436.

634041216 is a `hidden beast` number, since 634 + 0 + 4 + 1 + 21 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

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 634041216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634041217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88275 + ... + 95186.

Almost surely, 2^634041216 is an apocalyptic number.

It is an amenable number.

634041216 is an abundant number, since it is smaller than the sum of its proper divisors (1237271184).

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

634041216 is a wasteful number, since it uses less digits than its factorization.

634041216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183484 (or 183466 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 634041216 is about 25180.1750589626. The cubic root of 634041216 is about 859.0909883231.

It can be divided in two parts, 63404 and 1216, that added together give a triangular number (64620 = T₃₅₉).

The spelling of 634041216 in words is "six hundred thirty-four million, forty-one thousand, two hundred sixteen".