244400000420 has 96 divisors (see below), whose sum is σ = 539991277056. Its totient is φ = 92810188800.

The previous prime is 244400000419. The next prime is 244400000441. The reversal of 244400000420 is 24000004442.

It is a super-3 number, since 3×244400000420³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 244400000392 and 244400000401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9542672 + ... + 9568248.

It is an arithmetic number, because the mean of its divisors is an integer number (5624909136).

Almost surely, 2^244400000420 is an apocalyptic number.

244400000420 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 244400000420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269995638528).

244400000420 is an abundant number, since it is smaller than the sum of its proper divisors (295591276636).

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

244400000420 is a wasteful number, since it uses less digits than its factorization.

244400000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25941 (or 25939 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 244400000420 its reverse (24000004442), we get a palindrome (268400004862).

The spelling of 244400000420 in words is "two hundred forty-four billion, four hundred million, four hundred twenty", and thus it is an aban number.