378312718340 has 12 divisors (see below), whose sum is σ = 794456708556. Its totient is φ = 151325087328.

The previous prime is 378312718297. The next prime is 378312718351. The reversal of 378312718340 is 43817213873.

It can be written as a sum of positive squares in 2 ways, for example, as 217486053316 + 160826665024 = 466354^2 + 401032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9457817939 + ... + 9457817978.

It is an arithmetic number, because the mean of its divisors is an integer number (66204725713).

Almost surely, 2^378312718340 is an apocalyptic number.

It is an amenable number.

378312718340 is an abundant number, since it is smaller than the sum of its proper divisors (416143990216).

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

378312718340 is a wasteful number, since it uses less digits than its factorization.

378312718340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18915635926 (or 18915635924 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 378312718340 in words is "three hundred seventy-eight billion, three hundred twelve million, seven hundred eighteen thousand, three hundred forty".