1304423855280 has 1920 divisors, whose sum is σ = 6034653757440. Its totient is φ = 251897610240.

The previous prime is 1304423855269. The next prime is 1304423855281. The reversal of 1304423855280 is 825583244031.

1304423855280 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 42 + 3 + 85 + 528 + 0 = 666.

It is a super-3 number, since 3×1304423855280³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1304423855281) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2199702664 + ... + 2199703256.

It is an arithmetic number, because the mean of its divisors is an integer number (3143048832).

Almost surely, 2^{1304423855280} is an apocalyptic number.

1304423855280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304423855280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3017326878720).

1304423855280 is an abundant number, since it is smaller than the sum of its proper divisors (4730229902160).

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

1304423855280 is a wasteful number, since it uses less digits than its factorization.

1304423855280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 1304423855280 in words is "one trillion, three hundred four billion, four hundred twenty-three million, eight hundred fifty-five thousand, two hundred eighty".