1144444444 has 48 divisors (see below), whose sum is σ = 2356746336. Its totient is φ = 479404800.

The previous prime is 1144444397. The next prime is 1144444459. The reversal of 1144444444 is 4444444411.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

1144444444 is a modest number, since divided by 44444 gives 11444 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468394 + ... + 470830.

It is an arithmetic number, because the mean of its divisors is an integer number (49098882).

Almost surely, 2^1144444444 is an apocalyptic number.

It is an amenable number.

1144444444 is an abundant number, since it is smaller than the sum of its proper divisors (1212301892).

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

1144444444 is a wasteful number, since it uses less digits than its factorization.

1144444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286 (or 3284 counting only the distinct ones).

The product of its digits is 65536, while the sum is 34.

The square root of 1144444444 is about 33829.6385437385. The cubic root of 1144444444 is about 1045.9997282432. Note that the first 3 decimals are identical.

Adding to 1144444444 its reverse (4444444411), we get a palindrome (5588888855).

It can be divided in two parts, 11 and 44444444, that multiplied together give a palindrome (488888884).

The spelling of 1144444444 in words is "one billion, one hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".