634244464 has 20 divisors (see below), whose sum is σ = 1404398704. Its totient is φ = 271819008.

The previous prime is 634244459. The next prime is 634244467. The reversal of 634244464 is 464442436.

It is a super-2 number, since 2×634244464² = 804532080229294592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634244467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831337 + ... + 2831560.

Almost surely, 2^634244464 is an apocalyptic number.

It is an amenable number.

634244464 is an abundant number, since it is smaller than the sum of its proper divisors (770154240).

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

634244464 is a wasteful number, since it uses less digits than its factorization.

634244464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662912 (or 5662906 counting only the distinct ones).

The product of its digits is 221184, while the sum is 37.

The square root of 634244464 is about 25184.2106090304. The cubic root of 634244464 is about 859.1827751379.

The spelling of 634244464 in words is "six hundred thirty-four million, two hundred forty-four thousand, four hundred sixty-four".