634241144 has 8 divisors (see below), whose sum is σ = 1189202160. Its totient is φ = 317120568.

The previous prime is 634241141. The next prime is 634241159. The reversal of 634241144 is 441142436.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634241141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39640064 + ... + 39640079.

It is an arithmetic number, because the mean of its divisors is an integer number (148650270).

Almost surely, 2^634241144 is an apocalyptic number.

It is an amenable number.

634241144 is a deficient number, since it is larger than the sum of its proper divisors (554961016).

634241144 is a wasteful number, since it uses less digits than its factorization.

634241144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79280149 (or 79280145 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 634241144 is about 25184.1446946288. The cubic root of 634241144 is about 859.1812759832.

The spelling of 634241144 in words is "six hundred thirty-four million, two hundred forty-one thousand, one hundred forty-four".