1144027368 has 128 divisors (see below), whose sum is σ = 3498249600. Its totient is φ = 343526400.

The previous prime is 1144027301. The next prime is 1144027369. The reversal of 1144027368 is 8637204411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1144027369) 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, 266358 + ... + 270618.

It is an arithmetic number, because the mean of its divisors is an integer number (27330075).

Almost surely, 2^1144027368 is an apocalyptic number.

1144027368 is a gapful number since it is divisible by the number (18) 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 1144027368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749124800).

1144027368 is an abundant number, since it is smaller than the sum of its proper divisors (2354222232).

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

1144027368 is a wasteful number, since it uses less digits than its factorization.

1144027368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1144027368 is about 33823.4736240972. The cubic root of 1144027368 is about 1045.8726463821.

The spelling of 1144027368 in words is "one billion, one hundred forty-four million, twenty-seven thousand, three hundred sixty-eight".