1304554551378 has 64 divisors (see below), whose sum is σ = 2959285002240. Its totient is φ = 380070522432.

The previous prime is 1304554551371. The next prime is 1304554551427. The reversal of 1304554551378 is 8731554554031.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304554551378.

It is not an unprimeable number, because it can be changed into a prime (1304554551371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2531151 + ... + 3002637.

It is an arithmetic number, because the mean of its divisors is an integer number (46238828160).

Almost surely, 2^{1304554551378} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304554551378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479642501120).

1304554551378 is an abundant number, since it is smaller than the sum of its proper divisors (1654730450862).

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

1304554551378 is a wasteful number, since it uses less digits than its factorization.

1304554551378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473391.

The product of its (nonzero) digits is 5040000, while the sum is 51.

The spelling of 1304554551378 in words is "one trillion, three hundred four billion, five hundred fifty-four million, five hundred fifty-one thousand, three hundred seventy-eight".