378650674446624 has 288 divisors, whose sum is σ = 1083778285734144. Its totient is φ = 125400518737920.

The previous prime is 378650674446589. The next prime is 378650674446679. The reversal of 378650674446624 is 426644476056873.

378650674446624 is a `hidden beast` number, since 3 + 7 + 8 + 6 + 50 + 6 + 74 + 446 + 62 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91087482754 + ... + 91087486910.

It is an arithmetic number, because the mean of its divisors is an integer number (3763119047688).

Almost surely, 2^{378650674446624} 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 378650674446624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541889142867072).

378650674446624 is an abundant number, since it is smaller than the sum of its proper divisors (705127611287520).

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

378650674446624 is a wasteful number, since it uses less digits than its factorization.

378650674446624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480 (or 7469 counting only the distinct ones).

The product of its (nonzero) digits is 3901685760, while the sum is 72.

The spelling of 378650674446624 in words is "three hundred seventy-eight trillion, six hundred fifty billion, six hundred seventy-four million, four hundred forty-six thousand, six hundred twenty-four".