1388367382992 has 80 divisors (see below), whose sum is σ = 3603334371840. Its totient is φ = 460632623616.

The previous prime is 1388367382973. The next prime is 1388367382999. The reversal of 1388367382992 is 2992837638831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388367382999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111625798 + ... + 111638234.

It is an arithmetic number, because the mean of its divisors is an integer number (45041679648).

Almost surely, 2^{1388367382992} is an apocalyptic number.

1388367382992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1388367382992 is an abundant number, since it is smaller than the sum of its proper divisors (2214966988848).

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

1388367382992 is a wasteful number, since it uses less digits than its factorization.

1388367382992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23100 (or 23094 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 69.

The spelling of 1388367382992 in words is "one trillion, three hundred eighty-eight billion, three hundred sixty-seven million, three hundred eighty-two thousand, nine hundred ninety-two".