28417214500 has 24 divisors (see below), whose sum is σ = 62063197560. Its totient is φ = 11366885600.

The previous prime is 28417214491. The next prime is 28417214537. The reversal of 28417214500 is 541271482.

It can be written as a sum of positive squares in 4 ways, for example, as 7846770724 + 20570443776 = 88582^2 + 143424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28416715 + ... + 28417714.

It is an arithmetic number, because the mean of its divisors is an integer number (2585966565).

Almost surely, 2^28417214500 is an apocalyptic number.

28417214500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28417214500 is an abundant number, since it is smaller than the sum of its proper divisors (33645983060).

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

28417214500 is a wasteful number, since it uses less digits than its factorization.

28417214500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56834448 (or 56834436 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

Adding to 28417214500 its reverse (541271482), we get a palindrome (28958485982).

The spelling of 28417214500 in words is "twenty-eight billion, four hundred seventeen million, two hundred fourteen thousand, five hundred".