1368768408 has 64 divisors (see below), whose sum is σ = 3941621760. Its totient is φ = 387991296.

The previous prime is 1368768397. The next prime is 1368768409. The reversal of 1368768408 is 8048678631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368768409) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10741 + ... + 53412.

It is an arithmetic number, because the mean of its divisors is an integer number (61587840).

Almost surely, 2^1368768408 is an apocalyptic number.

It is an amenable number.

1368768408 is an abundant number, since it is smaller than the sum of its proper divisors (2572853352).

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

1368768408 is a wasteful number, since it uses less digits than its factorization.

1368768408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64296 (or 64292 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 1368768408 is about 36996.8702460086. The cubic root of 1368768408 is about 1110.3076300171.

The spelling of 1368768408 in words is "one billion, three hundred sixty-eight million, seven hundred sixty-eight thousand, four hundred eight".