1228078658304 has 144 divisors (see below), whose sum is σ = 3635329546240. Its totient is φ = 408944194560.

The previous prime is 1228078658299. The next prime is 1228078658311. The reversal of 1228078658304 is 4038568708221.

1228078658304 is a `hidden beast` number, since 1 + 2 + 280 + 7 + 8 + 6 + 58 + 304 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6760149 + ... + 6939435.

Almost surely, 2^{1228078658304} 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 1228078658304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817664773120).

1228078658304 is an abundant number, since it is smaller than the sum of its proper divisors (2407250887936).

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

1228078658304 is an equidigital number, since it uses as much as digits as its factorization.

1228078658304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180303 (or 180283 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 1228078658304 in words is "one trillion, two hundred twenty-eight billion, seventy-eight million, six hundred fifty-eight thousand, three hundred four".