28418647050 has 216 divisors, whose sum is σ = 82411475328. Its totient is φ = 7013160000.

The previous prime is 28418647039. The next prime is 28418647069. The reversal of 28418647050 is 5074681482.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 28418646987 and 28418647005.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 7377625 + ... + 7381475.

It is an arithmetic number, because the mean of its divisors is an integer number (381534608).

Almost surely, 2^28418647050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28418647050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41205737664).

28418647050 is an abundant number, since it is smaller than the sum of its proper divisors (53992828278).

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

28418647050 is a wasteful number, since it uses less digits than its factorization.

28418647050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946 (or 3915 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 28418647050 in words is "twenty-eight billion, four hundred eighteen million, six hundred forty-seven thousand, fifty".