1388568591960 has 64 divisors (see below), whose sum is σ = 4544406305280. Its totient is φ = 336622688640.

The previous prime is 1388568591959. The next prime is 1388568591961. The reversal of 1388568591960 is 691958658831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1388568591959) and next prime (1388568591961).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388568591961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525971632 + ... + 525974271.

It is an arithmetic number, because the mean of its divisors is an integer number (71006348520).

Almost surely, 2^{1388568591960} is an apocalyptic number.

1388568591960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1388568591960 is an abundant number, since it is smaller than the sum of its proper divisors (3155837713320).

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

1388568591960 is a wasteful number, since it uses less digits than its factorization.

1388568591960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051945928 (or 1051945924 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 69.

The spelling of 1388568591960 in words is "one trillion, three hundred eighty-eight billion, five hundred sixty-eight million, five hundred ninety-one thousand, nine hundred sixty".