1244240141144 has 64 divisors (see below), whose sum is σ = 3132352823040. Its totient is φ = 447478968960.

The previous prime is 1244240141117. The next prime is 1244240141147. The reversal of 1244240141144 is 4411410424421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244240141144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244240141147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77679314 + ... + 77695329.

It is an arithmetic number, because the mean of its divisors is an integer number (48943012860).

Almost surely, 2^{1244240141144} is an apocalyptic number.

1244240141144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1244240141144 is an abundant number, since it is smaller than the sum of its proper divisors (1888112681896).

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

1244240141144 is a wasteful number, since it uses less digits than its factorization.

1244240141144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155374680 (or 155374676 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 1244240141144 its reverse (4411410424421), we get a palindrome (5655650565565).

The spelling of 1244240141144 in words is "one trillion, two hundred forty-four billion, two hundred forty million, one hundred forty-one thousand, one hundred forty-four".