244322620164 has 240 divisors, whose sum is σ = 756337770496. Its totient is φ = 67300113600.

The previous prime is 244322620081. The next prime is 244322620169. The reversal of 244322620164 is 461026223442.

244322620164 is a `hidden beast` number, since 2 + 4 + 4 + 3 + 22 + 620 + 1 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (244322620169) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19047057 + ... + 19059879.

Almost surely, 2^244322620164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244322620164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378168885248).

244322620164 is an abundant number, since it is smaller than the sum of its proper divisors (512015150332).

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

244322620164 is a wasteful number, since it uses less digits than its factorization.

244322620164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13148 (or 13137 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 244322620164 in words is "two hundred forty-four billion, three hundred twenty-two million, six hundred twenty thousand, one hundred sixty-four".