1144821457392 has 40 divisors (see below), whose sum is σ = 3052857223680. Its totient is φ = 369297243840.

The previous prime is 1144821457337. The next prime is 1144821457397. The reversal of 1144821457392 is 2937541284411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144821457397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384683142 + ... + 384686117.

It is an arithmetic number, because the mean of its divisors is an integer number (76321430592).

Almost surely, 2^{1144821457392} is an apocalyptic number.

1144821457392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144821457392 is an abundant number, since it is smaller than the sum of its proper divisors (1908035766288).

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

1144821457392 is a wasteful number, since it uses less digits than its factorization.

1144821457392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769369301 (or 769369295 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 1144821457392 in words is "one trillion, one hundred forty-four billion, eight hundred twenty-one million, four hundred fifty-seven thousand, three hundred ninety-two".