64040600244 has 48 divisors (see below), whose sum is σ = 158268757248. Its totient is φ = 20084717568.

The previous prime is 64040600237. The next prime is 64040600263. The reversal of 64040600244 is 44200604046.

It is a super-2 number, since 2×64040600244² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607477 + ... + 705059.

It is an arithmetic number, because the mean of its divisors is an integer number (3297265776).

Almost surely, 2^64040600244 is an apocalyptic number.

It is an amenable number.

64040600244 is an abundant number, since it is smaller than the sum of its proper divisors (94228157004).

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

64040600244 is a wasteful number, since it uses less digits than its factorization.

64040600244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100824 (or 100822 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 64040600244 in words is "sixty-four billion, forty million, six hundred thousand, two hundred forty-four".