1044440544 has 48 divisors (see below), whose sum is σ = 3133323648. Its totient is φ = 298411392.

The previous prime is 1044440531. The next prime is 1044440549. The reversal of 1044440544 is 4450444401.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044440549) 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, 776442 + ... + 777785.

It is an arithmetic number, because the mean of its divisors is an integer number (65277576).

Almost surely, 2^1044440544 is an apocalyptic number.

1044440544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1044440544 is an abundant number, since it is smaller than the sum of its proper divisors (2088883104).

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

1044440544 is a wasteful number, since it uses less digits than its factorization.

1044440544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554247 (or 1554239 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 1044440544 is about 32317.8053710335. The cubic root of 1044440544 is about 1014.5993367945.

Adding to 1044440544 its reverse (4450444401), we get a palindrome (5494884945).

The spelling of 1044440544 in words is "one billion, forty-four million, four hundred forty thousand, five hundred forty-four".