1028547081390 has 32 divisors (see below), whose sum is σ = 2468559829536. Its totient is φ = 274274017920.

The previous prime is 1028547081329. The next prime is 1028547081391. The reversal of 1028547081390 is 931807458201.

It is a super-3 number, since 3×1028547081390³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028547081391) 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, 1439280 + ... + 2031900.

It is an arithmetic number, because the mean of its divisors is an integer number (77142494673).

Almost surely, 2^{1028547081390} is an apocalyptic number.

1028547081390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028547081390 is an abundant number, since it is smaller than the sum of its proper divisors (1440012748146).

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

1028547081390 is a wasteful number, since it uses less digits than its factorization.

1028547081390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650484.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 1028547081390 in words is "one trillion, twenty-eight billion, five hundred forty-seven million, eighty-one thousand, three hundred ninety".