1280413992704 has 288 divisors, whose sum is σ = 3316650258432. Its totient is φ = 482742374400.

The previous prime is 1280413992677. The next prime is 1280413992707. The reversal of 1280413992704 is 4072993140821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280413992707) 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 31 ways as a sum of consecutive naturals, for example, 73931054 + ... + 73948370.

Almost surely, 2^{1280413992704} is an apocalyptic number.

1280413992704 is a gapful number since it is divisible by the number (14) 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 1280413992704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658325129216).

1280413992704 is an abundant number, since it is smaller than the sum of its proper divisors (2036236265728).

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

1280413992704 is an equidigital number, since it uses as much as digits as its factorization.

1280413992704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17404 (or 17368 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 1280413992704 in words is "one trillion, two hundred eighty billion, four hundred thirteen million, nine hundred ninety-two thousand, seven hundred four".