1028530706442 has 128 divisors (see below), whose sum is σ = 2160795985920. Its totient is φ = 326159965440.

The previous prime is 1028530706429. The next prime is 1028530706477. The reversal of 1028530706442 is 2446070358201.

1028530706442 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1028530706394 and 1028530706403.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362540248 + ... + 362543084.

It is an arithmetic number, because the mean of its divisors is an integer number (16881218640).

Almost surely, 2^{1028530706442} is an apocalyptic number.

1028530706442 is an abundant number, since it is smaller than the sum of its proper divisors (1132265279478).

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

1028530706442 is a wasteful number, since it uses less digits than its factorization.

1028530706442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 1028530706442 in words is "one trillion, twenty-eight billion, five hundred thirty million, seven hundred six thousand, four hundred forty-two".