1267938685480 has 128 divisors (see below), whose sum is σ = 2946758330880. Its totient is φ = 490739834880.

The previous prime is 1267938685451. The next prime is 1267938685511. The reversal of 1267938685480 is 845868397621.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198951574 + ... + 198957946.

It is an arithmetic number, because the mean of its divisors is an integer number (23021549460).

It is a 1-persistent number, because it is pandigital, but 2⋅1267938685480 = 2535877370960 is not.

Almost surely, 2^{1267938685480} is an apocalyptic number.

1267938685480 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 1267938685480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473379165440).

1267938685480 is an abundant number, since it is smaller than the sum of its proper divisors (1678819645400).

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

1267938685480 is a wasteful number, since it uses less digits than its factorization.

1267938685480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7619 (or 7615 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 67.

The spelling of 1267938685480 in words is "one trillion, two hundred sixty-seven billion, nine hundred thirty-eight million, six hundred eighty-five thousand, four hundred eighty".