1288373883940 has 192 divisors, whose sum is σ = 3211895151360. Its totient is φ = 427939061760.

The previous prime is 1288373883917. The next prime is 1288373883941. The reversal of 1288373883940 is 493883738821.

It is not an unprimeable number, because it can be changed into a prime (1288373883941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 365080096 + ... + 365083624.

It is an arithmetic number, because the mean of its divisors is an integer number (16728620580).

Almost surely, 2^{1288373883940} is an apocalyptic number.

1288373883940 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 1288373883940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605947575680).

1288373883940 is an abundant number, since it is smaller than the sum of its proper divisors (1923521267420).

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

1288373883940 is a wasteful number, since it uses less digits than its factorization.

1288373883940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862 (or 4860 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 64.

The spelling of 1288373883940 in words is "one trillion, two hundred eighty-eight billion, three hundred seventy-three million, eight hundred eighty-three thousand, nine hundred forty".