1144504722816 has 320 divisors, whose sum is σ = 4192037314080. Its totient is φ = 301847150592.

The previous prime is 1144504722773. The next prime is 1144504722839. The reversal of 1144504722816 is 6182274054411.

1144504722816 is a `hidden beast` number, since 1 + 1 + 44 + 504 + 7 + 22 + 81 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 336960 + ... + 1550016.

Almost surely, 2^{1144504722816} is an apocalyptic number.

1144504722816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144504722816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096018657040).

1144504722816 is an abundant number, since it is smaller than the sum of its proper divisors (3047532591264).

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

1144504722816 is a wasteful number, since it uses less digits than its factorization.

1144504722816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213103 (or 1213082 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 1144504722816 in words is "one trillion, one hundred forty-four billion, five hundred four million, seven hundred twenty-two thousand, eight hundred sixteen".