1306020144544 has 96 divisors (see below), whose sum is σ = 2644945712640. Its totient is φ = 634590028800.

The previous prime is 1306020144461. The next prime is 1306020144617. The reversal of 1306020144544 is 4454410206031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58546897 + ... + 58569199.

It is an arithmetic number, because the mean of its divisors is an integer number (27551517840).

Almost surely, 2^{1306020144544} 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 1306020144544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322472856320).

1306020144544 is an abundant number, since it is smaller than the sum of its proper divisors (1338925568096).

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

1306020144544 is a wasteful number, since it uses less digits than its factorization.

1306020144544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22734 (or 22726 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 1306020144544 in words is "one trillion, three hundred six billion, twenty million, one hundred forty-four thousand, five hundred forty-four".