1380388264332 has 144 divisors (see below), whose sum is σ = 4094654239872. Its totient is φ = 357904619520.

The previous prime is 1380388264331. The next prime is 1380388264363. The reversal of 1380388264332 is 2334628830831.

It is not an unprimeable number, because it can be changed into a prime (1380388264331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3451948 + ... + 3831020.

It is an arithmetic number, because the mean of its divisors is an integer number (28435098888).

Almost surely, 2^{1380388264332} is an apocalyptic number.

1380388264332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380388264332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047327119936).

1380388264332 is an abundant number, since it is smaller than the sum of its proper divisors (2714265975540).

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

1380388264332 is a wasteful number, since it uses less digits than its factorization.

1380388264332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379668 (or 379659 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 1380388264332 in words is "one trillion, three hundred eighty billion, three hundred eighty-eight million, two hundred sixty-four thousand, three hundred thirty-two".