28051060275040 has 192 divisors, whose sum is σ = 76661689688640. Its totient is φ = 9586090967040.

The previous prime is 28051060275011. The next prime is 28051060275059. The reversal of 28051060275040 is 4057206015082.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 28051060274984 and 28051060275002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19439626 + ... + 20832694.

It is an arithmetic number, because the mean of its divisors is an integer number (399279633795).

Almost surely, 2^{28051060275040} is an apocalyptic number.

28051060275040 is a gapful number since it is divisible by the number (20) 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 28051060275040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38330844844320).

28051060275040 is an abundant number, since it is smaller than the sum of its proper divisors (48610629413600).

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

28051060275040 is a wasteful number, since it uses less digits than its factorization.

28051060275040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393785 (or 1393777 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 28051060275040 in words is "twenty-eight trillion, fifty-one billion, sixty million, two hundred seventy-five thousand, forty".