448378155228874 has 64 divisors (see below), whose sum is σ = 731081782682496. Its totient is φ = 205015536912384.

The previous prime is 448378155228853. The next prime is 448378155228889. The reversal of 448378155228874 is 478822551873844.

It is a self number, because there is not a number n which added to its sum of digits gives 448378155228874.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4730827774 + ... + 4730922550.

It is an arithmetic number, because the mean of its divisors is an integer number (11423152854414).

Almost surely, 2^{448378155228874} is an apocalyptic number.

448378155228874 is a deficient number, since it is larger than the sum of its proper divisors (282703627453622).

448378155228874 is a wasteful number, since it uses less digits than its factorization.

448378155228874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98519.

The product of its digits is 3853516800, while the sum is 76.

The spelling of 448378155228874 in words is "four hundred forty-eight trillion, three hundred seventy-eight billion, one hundred fifty-five million, two hundred twenty-eight thousand, eight hundred seventy-four".