1267448708480 has 128 divisors (see below), whose sum is σ = 3151290938400. Its totient is φ = 487070760960.

The previous prime is 1267448708467. The next prime is 1267448708483. The reversal of 1267448708480 is 848078447621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267448708483) by changing a digit.

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, 1301216 + ... + 2056224.

Almost surely, 2^{1267448708480} is an apocalyptic number.

1267448708480 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 1267448708480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575645469200).

1267448708480 is an abundant number, since it is smaller than the sum of its proper divisors (1883842229920).

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

1267448708480 is an equidigital number, since it uses as much as digits as its factorization.

1267448708480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755132 (or 755120 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 59.

The spelling of 1267448708480 in words is "one trillion, two hundred sixty-seven billion, four hundred forty-eight million, seven hundred eight thousand, four hundred eighty".