244200420 has 108 divisors (see below), whose sum is σ = 769605564. Its totient is φ = 65085120.

The previous prime is 244200419. The next prime is 244200443. The reversal of 244200420 is 24002442.

244200420 is a `hidden beast` number, since 2 + 44 + 200 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26873856 + 217326564 = 5184^2 + 14742^2 .

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 244200393 and 244200402.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 130290 + ... + 132150.

Almost surely, 2^244200420 is an apocalyptic number.

244200420 is a gapful number since it is divisible by the number (20) 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 244200420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384802782).

244200420 is an abundant number, since it is smaller than the sum of its proper divisors (525405144).

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

244200420 is an equidigital number, since it uses as much as digits as its factorization.

244200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 244200420 is about 15626.9133228543. The cubic root of 244200420 is about 625.0510209015.

Adding to 244200420 its reverse (24002442), we get a palindrome (268202862).

The spelling of 244200420 in words is "two hundred forty-four million, two hundred thousand, four hundred twenty".