1318282408 has 32 divisors (see below), whose sum is σ = 2640369960. Its totient is φ = 614871040.

The previous prime is 1318282403. The next prime is 1318282411. The reversal of 1318282408 is 8042828131.

It can be written as a sum of positive squares in 4 ways, for example, as 1188732484 + 129549924 = 34478^2 + 11382^2 .

It is not an unprimeable number, because it can be changed into a prime (1318282403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27523 + ... + 58258.

Almost surely, 2^1318282408 is an apocalyptic number.

It is an amenable number.

1318282408 is an abundant number, since it is smaller than the sum of its proper divisors (1322087552).

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

1318282408 is a wasteful number, since it uses less digits than its factorization.

1318282408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85917 (or 85913 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 1318282408 is about 36308.1589728810. The cubic root of 1318282408 is about 1096.4853130681.

The spelling of 1318282408 in words is "one billion, three hundred eighteen million, two hundred eighty-two thousand, four hundred eight".