1144243413440 has 56 divisors (see below), whose sum is σ = 2770911532080. Its totient is φ = 449939775488.

The previous prime is 1144243413437. The next prime is 1144243413461. The reversal of 1144243413440 is 443143424411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144243413440.

It is a congruent number.

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, 30284177 + ... + 30321936.

Almost surely, 2^{1144243413440} is an apocalyptic number.

1144243413440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144243413440 is an abundant number, since it is smaller than the sum of its proper divisors (1626668118640).

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

1144243413440 is an equidigital number, since it uses as much as digits as its factorization.

1144243413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60606189 (or 60606179 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 1144243413440 its reverse (443143424411), we get a palindrome (1587386837851).

The spelling of 1144243413440 in words is "one trillion, one hundred forty-four billion, two hundred forty-three million, four hundred thirteen thousand, four hundred forty".