1263469132800 has 1584 divisors, whose sum is σ = 5489117816832. Its totient is φ = 271525478400.

The previous prime is 1263469132789. The next prime is 1263469132819. The reversal of 1263469132800 is 82319643621.

1263469132800 is a `hidden beast` number, since 1 + 2 + 634 + 6 + 9 + 1 + 3 + 2 + 8 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1849881259 + ... + 1849881941.

Almost surely, 2^{1263469132800} is an apocalyptic number.

1263469132800 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 1263469132800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744558908416).

1263469132800 is an abundant number, since it is smaller than the sum of its proper divisors (4225648684032).

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

1263469132800 is a wasteful number, since it uses less digits than its factorization.

1263469132800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1263469132800 in words is "one trillion, two hundred sixty-three billion, four hundred sixty-nine million, one hundred thirty-two thousand, eight hundred".