1288413651640 has 16 divisors (see below), whose sum is σ = 2898930716280. Its totient is φ = 515365460640.

The previous prime is 1288413651583. The next prime is 1288413651643. The reversal of 1288413651640 is 461563148821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288413651643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16105170606 + ... + 16105170685.

Almost surely, 2^{1288413651640} is an apocalyptic number.

1288413651640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1288413651640 is an abundant number, since it is smaller than the sum of its proper divisors (1610517064640).

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

1288413651640 is a wasteful number, since it uses less digits than its factorization.

1288413651640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32210341302 (or 32210341298 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 1288413651640 in words is "one trillion, two hundred eighty-eight billion, four hundred thirteen million, six hundred fifty-one thousand, six hundred forty".