378668777194240 has 576 divisors, whose sum is σ = 1013264729680896. Its totient is φ = 134679296802816.

The previous prime is 378668777194223. The next prime is 378668777194271. The reversal of 378668777194240 is 42491777866873.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26393578747 + ... + 26393593093.

It is an arithmetic number, because the mean of its divisors is an integer number (1759140155696).

Almost surely, 2^{378668777194240} 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 378668777194240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506632364840448).

378668777194240 is an abundant number, since it is smaller than the sum of its proper divisors (634595952486656).

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

378668777194240 is a wasteful number, since it uses less digits than its factorization.

378668777194240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14844 (or 14830 counting only the distinct ones).

The product of its (nonzero) digits is 4779565056, while the sum is 79.

The spelling of 378668777194240 in words is "three hundred seventy-eight trillion, six hundred sixty-eight billion, seven hundred seventy-seven million, one hundred ninety-four thousand, two hundred forty".