378855031268 has 18 divisors (see below), whose sum is σ = 771240599766. Its totient is φ = 162366441888.

The previous prime is 378855031259. The next prime is 378855031283. The reversal of 378855031268 is 862130558873.

It can be written as a sum of positive squares in only one way, i.e., 306924864064 + 71930167204 = 554008^2 + 268198^2 .

It is a super-2 number, since 2×378855031268² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 966466721 + ... + 966467112.

It is an arithmetic number, because the mean of its divisors is an integer number (42846699987).

Almost surely, 2^378855031268 is an apocalyptic number.

It is an amenable number.

378855031268 is an abundant number, since it is smaller than the sum of its proper divisors (392385568498).

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

378855031268 is a wasteful number, since it uses less digits than its factorization.

378855031268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932933851 (or 1932933842 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 378855031268 in words is "three hundred seventy-eight billion, eight hundred fifty-five million, thirty-one thousand, two hundred sixty-eight".