1244410240 has 64 divisors (see below), whose sum is σ = 3001419360. Its totient is φ = 493330432.

The previous prime is 1244410207. The next prime is 1244410243. The reversal of 1244410240 is 420144421.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244410243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63717 + ... + 80923.

Almost surely, 2^1244410240 is an apocalyptic number.

1244410240 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 1244410240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500709680).

1244410240 is an abundant number, since it is smaller than the sum of its proper divisors (1757009120).

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

1244410240 is a wasteful number, since it uses less digits than its factorization.

1244410240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17339 (or 17327 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1244410240 is about 35276.1993417658. The cubic root of 1244410240 is about 1075.6092425397.

Adding to 1244410240 its reverse (420144421), we get a palindrome (1664554661).

The spelling of 1244410240 in words is "one billion, two hundred forty-four million, four hundred ten thousand, two hundred forty".