1144441546420 has 96 divisors (see below), whose sum is σ = 2488990291200. Its totient is φ = 441834624000.

The previous prime is 1144441546309. The next prime is 1144441546421. The reversal of 1144441546420 is 246451444411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144441546421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12719551 + ... + 12809209.

It is an arithmetic number, because the mean of its divisors is an integer number (25926982200).

Almost surely, 2^{1144441546420} is an apocalyptic number.

1144441546420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144441546420 is an abundant number, since it is smaller than the sum of its proper divisors (1344548744780).

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

1144441546420 is a wasteful number, since it uses less digits than its factorization.

1144441546420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89929 (or 89927 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 1144441546420 in words is "one trillion, one hundred forty-four billion, four hundred forty-one million, five hundred forty-six thousand, four hundred twenty".