1144419786 has 64 divisors (see below), whose sum is σ = 2671084800. Its totient is φ = 362501568.

The previous prime is 1144419781. The next prime is 1144419811. The reversal of 1144419786 is 6879144411.

1144419786 is a `hidden beast` number, since 11 + 444 + 197 + 8 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (1144419781) 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, 192060 + ... + 197928.

It is an arithmetic number, because the mean of its divisors is an integer number (41735700).

Almost surely, 2^1144419786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144419786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335542400).

1144419786 is an abundant number, since it is smaller than the sum of its proper divisors (1526665014).

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

1144419786 is a wasteful number, since it uses less digits than its factorization.

1144419786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060 (or 6054 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 1144419786 is about 33829.2740980353. The cubic root of 1144419786 is about 1045.9922158802.

The spelling of 1144419786 in words is "one billion, one hundred forty-four million, four hundred nineteen thousand, seven hundred eighty-six".