1028918239824 has 20 divisors (see below), whose sum is σ = 2658038786336. Its totient is φ = 342972746592.

The previous prime is 1028918239813. The next prime is 1028918239829. The reversal of 1028918239824 is 4289328198201.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028918239829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10717898284 + ... + 10717898379.

Almost surely, 2^{1028918239824} is an apocalyptic number.

It is an amenable number.

1028918239824 is an abundant number, since it is smaller than the sum of its proper divisors (1629120546512).

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

1028918239824 is a wasteful number, since it uses less digits than its factorization.

1028918239824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435796674 (or 21435796668 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The spelling of 1028918239824 in words is "one trillion, twenty-eight billion, nine hundred eighteen million, two hundred thirty-nine thousand, eight hundred twenty-four".