1244052544 has 56 divisors (see below), whose sum is σ = 2867647808. Its totient is φ = 524413440.

The previous prime is 1244052539. The next prime is 1244052581. The reversal of 1244052544 is 4452504421.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4567 + ... + 50089.

Almost surely, 2^1244052544 is an apocalyptic number.

1244052544 is a gapful number since it is divisible by the number (14) 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 1244052544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433823904).

1244052544 is an abundant number, since it is smaller than the sum of its proper divisors (1623595264).

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

1244052544 is an equidigital number, since it uses as much as digits as its factorization.

1244052544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45603 (or 45593 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 1244052544 is about 35271.1290434542. The cubic root of 1244052544 is about 1075.5061741729.

Adding to 1244052544 its reverse (4452504421), we get a palindrome (5696556965).

The spelling of 1244052544 in words is "one billion, two hundred forty-four million, fifty-two thousand, five hundred forty-four".