1380746648512 has 224 divisors, whose sum is σ = 3500516321280. Its totient is φ = 524784000000.

The previous prime is 1380746648509. The next prime is 1380746648531. The reversal of 1380746648512 is 2158466470831.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×1380746648512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38070387 + ... + 38106637.

Almost surely, 2^{1380746648512} 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 1380746648512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750258160640).

1380746648512 is an abundant number, since it is smaller than the sum of its proper divisors (2119769672768).

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

1380746648512 is a wasteful number, since it uses less digits than its factorization.

1380746648512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36471 (or 36461 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 1380746648512 in words is "one trillion, three hundred eighty billion, seven hundred forty-six million, six hundred forty-eight thousand, five hundred twelve".