244105187664 has 160 divisors (see below), whose sum is σ = 718251251200. Its totient is φ = 70818209280.

The previous prime is 244105187657. The next prime is 244105187671. The reversal of 244105187664 is 466781501442.

It is an interprime number because it is at equal distance from previous prime (244105187657) and next prime (244105187671).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2452827 + ... + 2550405.

It is an arithmetic number, because the mean of its divisors is an integer number (4489070320).

Almost surely, 2^244105187664 is an apocalyptic number.

244105187664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244105187664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359125625600).

244105187664 is an abundant number, since it is smaller than the sum of its proper divisors (474146063536).

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

244105187664 is a wasteful number, since it uses less digits than its factorization.

244105187664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97833 (or 97827 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 244105187664 in words is "two hundred forty-four billion, one hundred five million, one hundred eighty-seven thousand, six hundred sixty-four".