64360344244 has 24 divisors (see below), whose sum is σ = 128802920960. Its totient is φ = 27565383456.

The previous prime is 64360344229. The next prime is 64360344263. The reversal of 64360344244 is 44244306346.

It is a super-2 number, since 2×64360344244² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64360344197 and 64360344206.

It is a congruent number.

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, 689559 + ... + 777310.

Almost surely, 2^64360344244 is an apocalyptic number.

It is an amenable number.

64360344244 is an abundant number, since it is smaller than the sum of its proper divisors (64442576716).

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

64360344244 is a wasteful number, since it uses less digits than its factorization.

64360344244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468447 (or 1468445 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

The spelling of 64360344244 in words is "sixty-four billion, three hundred sixty million, three hundred forty-four thousand, two hundred forty-four".