1244411420 has 48 divisors (see below), whose sum is σ = 2997462720. Its totient is φ = 425101824.

The previous prime is 1244411411. The next prime is 1244411477. The reversal of 1244411420 is 241144421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22736 + ... + 54824.

It is an arithmetic number, because the mean of its divisors is an integer number (62447140).

Almost surely, 2^1244411420 is an apocalyptic number.

1244411420 is a gapful number since it is divisible by the number (10) 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 1244411420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498731360).

1244411420 is an abundant number, since it is smaller than the sum of its proper divisors (1753051300).

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

1244411420 is a wasteful number, since it uses less digits than its factorization.

1244411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32382 (or 32380 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1244411420 is about 35276.2160669196. The cubic root of 1244411420 is about 1075.6095825183.

Adding to 1244411420 its reverse (241144421), we get a palindrome (1485555841).

The spelling of 1244411420 in words is "one billion, two hundred forty-four million, four hundred eleven thousand, four hundred twenty".