1318024144 has 40 divisors (see below), whose sum is σ = 2730715848. Its totient is φ = 614092800.

The previous prime is 1318024139. The next prime is 1318024157. The reversal of 1318024144 is 4414208131.

It can be written as a sum of positive squares in 4 ways, for example, as 1151923600 + 166100544 = 33940^2 + 12888^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3484 + ... + 51460.

Almost surely, 2^1318024144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1318024144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365357924).

1318024144 is an abundant number, since it is smaller than the sum of its proper divisors (1412691704).

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

1318024144 is a wasteful number, since it uses less digits than its factorization.

1318024144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48103 (or 48097 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1318024144 is about 36304.6022426909. The cubic root of 1318024144 is about 1096.4137044416.

The spelling of 1318024144 in words is "one billion, three hundred eighteen million, twenty-four thousand, one hundred forty-four".