1378682701344 has 384 divisors, whose sum is σ = 4588946369280. Its totient is φ = 398931443712.

The previous prime is 1378682701343. The next prime is 1378682701397. The reversal of 1378682701344 is 4431072868731.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1378682701343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 333577102 + ... + 333581234.

It is an arithmetic number, because the mean of its divisors is an integer number (11950381170).

Almost surely, 2^{1378682701344} 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 1378682701344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2294473184640).

1378682701344 is an abundant number, since it is smaller than the sum of its proper divisors (3210263667936).

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

1378682701344 is a wasteful number, since it uses less digits than its factorization.

1378682701344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929 (or 5915 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 1378682701344 in words is "one trillion, three hundred seventy-eight billion, six hundred eighty-two million, seven hundred one thousand, three hundred forty-four".