1260866476800 has 1080 divisors, whose sum is σ = 5560017636096. Its totient is φ = 275649454080.

The previous prime is 1260866476781. The next prime is 1260866476873. The reversal of 1260866476800 is 86746680621.

1260866476800 is a `hidden beast` number, since 12 + 6 + 0 + 86 + 6 + 476 + 80 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1080).

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 119 ways as a sum of consecutive naturals, for example, 83454847 + ... + 83469953.

Almost surely, 2^{1260866476800} is an apocalyptic number.

1260866476800 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 1260866476800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2780008818048).

1260866476800 is an abundant number, since it is smaller than the sum of its proper divisors (4299151159296).

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

1260866476800 is a wasteful number, since it uses less digits than its factorization.

1260866476800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15175 (or 15147 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 1260866476800 in words is "one trillion, two hundred sixty billion, eight hundred sixty-six million, four hundred seventy-six thousand, eight hundred".