244268136 has 200 divisors, whose sum is σ = 803242770. Its totient is φ = 69346368.

The previous prime is 244268111. The next prime is 244268173. The reversal of 244268136 is 631862442.

It can be written as a sum of positive squares in only one way, i.e., 224820036 + 19448100 = 14994^2 + 4410^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 244268136.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 1555770 + ... + 1555926.

Almost surely, 2^244268136 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 244268136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401621385).

244268136 is an abundant number, since it is smaller than the sum of its proper divisors (558974634).

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

244268136 is an equidigital number, since it uses as much as digits as its factorization.

244268136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 169 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 244268136 is about 15629.0798193624. The cubic root of 244268136 is about 625.1087904490.

The spelling of 244268136 in words is "two hundred forty-four million, two hundred sixty-eight thousand, one hundred thirty-six".