1028547061392 has 80 divisors (see below), whose sum is σ = 2773028586240. Its totient is φ = 328097150976.

The previous prime is 1028547061391. The next prime is 1028547061417. The reversal of 1028547061392 is 2931607458201.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1028547061391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112168 + ... + 3426759.

It is an arithmetic number, because the mean of its divisors is an integer number (34662857328).

It is a 1-persistent number, because it is pandigital, but 2⋅1028547061392 = 2057094122784 is not.

Almost surely, 2^{1028547061392} is an apocalyptic number.

1028547061392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1028547061392 is an abundant number, since it is smaller than the sum of its proper divisors (1744481524848).

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

1028547061392 is a wasteful number, since it uses less digits than its factorization.

1028547061392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539080 (or 6539074 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1028547061392 in words is "one trillion, twenty-eight billion, five hundred forty-seven million, sixty-one thousand, three hundred ninety-two".