28385415050 has 24 divisors (see below), whose sum is σ = 54499999872. Its totient is φ = 10987902000.

The previous prime is 28385414989. The next prime is 28385415061. The reversal of 28385415050 is 5051458382.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28385414989 and 28385415007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9155036 + ... + 9158135.

It is an arithmetic number, because the mean of its divisors is an integer number (2270833328).

Almost surely, 2^28385415050 is an apocalyptic number.

28385415050 is a deficient number, since it is larger than the sum of its proper divisors (26114584822).

28385415050 is a wasteful number, since it uses less digits than its factorization.

28385415050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18313214 (or 18313209 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 28385415050 in words is "twenty-eight billion, three hundred eighty-five million, four hundred fifteen thousand, fifty".