1318668048 has 120 divisors (see below), whose sum is σ = 3854050200. Its totient is φ = 420360192.

The previous prime is 1318668041. The next prime is 1318668059. The reversal of 1318668048 is 8408668131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 104284944 + 1214383104 = 10212^2 + 34848^2 .

It is a super-2 number, since 2×1318668048² = 3477770841632260608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1318667994 and 1318668012.

It is not an unprimeable number, because it can be changed into a prime (1318668041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453736 + ... + 456632.

It is an arithmetic number, because the mean of its divisors is an integer number (32117085).

Almost surely, 2^1318668048 is an apocalyptic number.

1318668048 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 1318668048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927025100).

1318668048 is an abundant number, since it is smaller than the sum of its proper divisors (2535382152).

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

1318668048 is a wasteful number, since it uses less digits than its factorization.

1318668048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1318668048 is about 36313.4692366345. The cubic root of 1318668048 is about 1096.5922217163.

The spelling of 1318668048 in words is "one billion, three hundred eighteen million, six hundred sixty-eight thousand, forty-eight".