1368886464 has 336 divisors, whose sum is σ = 4593214080. Its totient is φ = 385413120.

The previous prime is 1368886457. The next prime is 1368886487. The reversal of 1368886464 is 4646888631.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1368886464.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 9991804 + ... + 9991940.

It is an arithmetic number, because the mean of its divisors is an integer number (13670280).

Almost surely, 2^1368886464 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 1368886464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2296607040).

1368886464 is an abundant number, since it is smaller than the sum of its proper divisors (3224327616).

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

1368886464 is a wasteful number, since it uses less digits than its factorization.

1368886464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 255 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 1368886464 is about 36998.4656979178. The cubic root of 1368886464 is about 1110.3395503694.

The spelling of 1368886464 in words is "one billion, three hundred sixty-eight million, eight hundred eighty-six thousand, four hundred sixty-four".