1028328947370 has 128 divisors (see below), whose sum is σ = 2801192647680. Its totient is φ = 268384622400.

The previous prime is 1028328947353. The next prime is 1028328947389. The reversal of 1028328947370 is 737498238201.

1028328947370 is a `hidden beast` number, since 1 + 0 + 2 + 83 + 28 + 9 + 473 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2183445 + ... + 2612295.

It is an arithmetic number, because the mean of its divisors is an integer number (21884317560).

Almost surely, 2^{1028328947370} is an apocalyptic number.

1028328947370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028328947370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400596323840).

1028328947370 is an abundant number, since it is smaller than the sum of its proper divisors (1772863700310).

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

1028328947370 is a wasteful number, since it uses less digits than its factorization.

1028328947370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429057 (or 429051 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 1028328947370 in words is "one trillion, twenty-eight billion, three hundred twenty-eight million, nine hundred forty-seven thousand, three hundred seventy".