64244844246 has 24 divisors (see below), whose sum is σ = 141232469112. Its totient is φ = 19468134400.

The previous prime is 64244844241. The next prime is 64244844371.

64244844246 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64244844195 and 64244844204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64244844241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44245035 + ... + 44246486.

It is an arithmetic number, because the mean of its divisors is an integer number (5884686213).

Almost surely, 2^64244844246 is an apocalyptic number.

64244844246 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64244844246 is an abundant number, since it is smaller than the sum of its proper divisors (76987624866).

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

64244844246 is a wasteful number, since it uses less digits than its factorization.

64244844246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88491548 (or 88491537 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 48.

The spelling of 64244844246 in words is "sixty-four billion, two hundred forty-four million, eight hundred forty-four thousand, two hundred forty-six".