28011074130 has 352 divisors, whose sum is σ = 84371096880. Its totient is φ = 6651279360.

The previous prime is 28011074099. The next prime is 28011074137. The reversal of 28011074130 is 3147011082.

It can be written as a sum of positive squares in 8 ways, for example, as 141776649 + 27869297481 = 11907^2 + 166941^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 28011074094 and 28011074103.

It is not an unprimeable number, because it can be changed into a prime (28011074137) by changing a digit.

It is a polite number, since it can be written in 175 ways as a sum of consecutive naturals, for example, 314731126 + ... + 314731214.

Almost surely, 2^28011074130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28011074130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42185548440).

28011074130 is an abundant number, since it is smaller than the sum of its proper divisors (56360022750).

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

28011074130 is an equidigital number, since it uses as much as digits as its factorization.

28011074130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 28011074130 in words is "twenty-eight billion, eleven million, seventy-four thousand, one hundred thirty".