1318804344 has 288 divisors, whose sum is σ = 4316457600. Its totient is φ = 360472320.

The previous prime is 1318804321. The next prime is 1318804351. The reversal of 1318804344 is 4434088131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1318804299 and 1318804308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7896949 + ... + 7897115.

It is an arithmetic number, because the mean of its divisors is an integer number (14987700).

Almost surely, 2^1318804344 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 1318804344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2158228800).

1318804344 is an abundant number, since it is smaller than the sum of its proper divisors (2997653256).

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

1318804344 is a wasteful number, since it uses less digits than its factorization.

1318804344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1318804344 is about 36315.3458471760. The cubic root of 1318804344 is about 1096.6300012481.

The spelling of 1318804344 in words is "one billion, three hundred eighteen million, eight hundred four thousand, three hundred forty-four".