1308289052928 has 576 divisors, whose sum is σ = 4519785940992. Its totient is φ = 329442263040.

The previous prime is 1308289052923. The next prime is 1308289052969. The reversal of 1308289052928 is 8292509828031.

It is a super-2 number, since 2×1308289052928² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1308289052923) 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, 42925951 + ... + 42956417.

It is an arithmetic number, because the mean of its divisors is an integer number (7846850592).

Almost surely, 2^{1308289052928} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308289052928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259892970496).

1308289052928 is an abundant number, since it is smaller than the sum of its proper divisors (3211496888064).

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

1308289052928 is a wasteful number, since it uses less digits than its factorization.

1308289052928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30550 (or 30536 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 1308289052928 in words is "one trillion, three hundred eight billion, two hundred eighty-nine million, fifty-two thousand, nine hundred twenty-eight".