1268274376320 has 128 divisors (see below), whose sum is σ = 4620142419840. Its totient is φ = 289891282944.

The previous prime is 1268274376319. The next prime is 1268274376321. The reversal of 1268274376320 is 236734728621.

It is an interprime number because it is at equal distance from previous prime (1268274376319) and next prime (1268274376321).

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

It is not an unprimeable number, because it can be changed into a prime (1268274376321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47169387 + ... + 47196266.

It is an arithmetic number, because the mean of its divisors is an integer number (36094862655).

Almost surely, 2^{1268274376320} is an apocalyptic number.

1268274376320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1268274376320 is an abundant number, since it is smaller than the sum of its proper divisors (3351868043520).

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

1268274376320 is an equidigital number, since it uses as much as digits as its factorization.

1268274376320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94365682 (or 94365670 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 1268274376320 in words is "one trillion, two hundred sixty-eight billion, two hundred seventy-four million, three hundred seventy-six thousand, three hundred twenty".