1008818727228 has 672 divisors, whose sum is σ = 3038486556672. Its totient is φ = 290797516800.

The previous prime is 1008818727209. The next prime is 1008818727247. The reversal of 1008818727228 is 8227278188001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1008818727209) and next prime (1008818727247).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 8927599300 + ... + 8927599412.

It is an arithmetic number, because the mean of its divisors is an integer number (4521557376).

Almost surely, 2^{1008818727228} is an apocalyptic number.

1008818727228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1008818727228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519243278336).

1008818727228 is an abundant number, since it is smaller than the sum of its proper divisors (2029667829444).

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

1008818727228 is a wasteful number, since it uses less digits than its factorization.

1008818727228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 54.

The spelling of 1008818727228 in words is "one trillion, eight billion, eight hundred eighteen million, seven hundred twenty-seven thousand, two hundred twenty-eight".