1268388324 has 54 divisors (see below), whose sum is σ = 3729670854. Its totient is φ = 362396160.

The previous prime is 1268388307. The next prime is 1268388347. The reversal of 1268388324 is 4238838621.

1268388324 is a `hidden beast` number, since 1 + 268 + 388 + 3 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1200622500 + 67765824 = 34650^2 + 8232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1268388324.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 357757 + ... + 361284.

Almost surely, 2^1268388324 is an apocalyptic number.

1268388324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1268388324 is an abundant number, since it is smaller than the sum of its proper divisors (2461282530).

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

1268388324 is a wasteful number, since it uses less digits than its factorization.

1268388324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719065 (or 719053 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 1268388324 is about 35614.4398243185. The cubic root of 1268388324 is about 1082.4738455493.

The spelling of 1268388324 in words is "one billion, two hundred sixty-eight million, three hundred eighty-eight thousand, three hundred twenty-four".