1378063683360 has 1152 divisors, whose sum is σ = 6305276597760. Its totient is φ = 278101942272.

The previous prime is 1378063683341. The next prime is 1378063683371. The reversal of 1378063683360 is 633863608731.

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

It is a junction number, because it is equal to n+sod(n) for n = 1378063683297 and 1378063683306.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 63281434 + ... + 63303206.

It is an arithmetic number, because the mean of its divisors is an integer number (5473330380).

Almost surely, 2^{1378063683360} is an apocalyptic number.

1378063683360 is a gapful number since it is divisible by the number (10) 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 1378063683360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3152638298880).

1378063683360 is an abundant number, since it is smaller than the sum of its proper divisors (4927212914400).

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

1378063683360 is a wasteful number, since it uses less digits than its factorization.

1378063683360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21847 (or 21826 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 1378063683360 in words is "one trillion, three hundred seventy-eight billion, sixty-three million, six hundred eighty-three thousand, three hundred sixty".