378225343850 has 12 divisors (see below), whose sum is σ = 703499139654. Its totient is φ = 151290137520.

The previous prime is 378225343813. The next prime is 378225343871. The reversal of 378225343850 is 58343522873.

It can be written as a sum of positive squares in 3 ways, for example, as 259104414529 + 119120929321 = 509023^2 + 345139^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 7564506877 = 378225343850 / (3 + 7 + 8 + 2 + 2 + 5 + 3 + 4 + 3 + 8 + 5 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3782253389 + ... + 3782253488.

Almost surely, 2^378225343850 is an apocalyptic number.

378225343850 is a deficient number, since it is larger than the sum of its proper divisors (325273795804).

378225343850 is a wasteful number, since it uses less digits than its factorization.

378225343850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564506889 (or 7564506884 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 378225343850 in words is "three hundred seventy-eight billion, two hundred twenty-five million, three hundred forty-three thousand, eight hundred fifty".