28450202286 has 16 divisors (see below), whose sum is σ = 62073168768. Its totient is φ = 8621273400.

The previous prime is 28450202279. The next prime is 28450202317. The reversal of 28450202286 is 68220205482.

It is a super-2 number, since 2×28450202286² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 215531770 + ... + 215531901.

It is an arithmetic number, because the mean of its divisors is an integer number (3879573048).

Almost surely, 2^28450202286 is an apocalyptic number.

28450202286 is an abundant number, since it is smaller than the sum of its proper divisors (33622966482).

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

28450202286 is a wasteful number, since it uses less digits than its factorization.

28450202286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431063687.

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 28450202286 in words is "twenty-eight billion, four hundred fifty million, two hundred two thousand, two hundred eighty-six".