8280220446 has 24 divisors (see below), whose sum is σ = 17942324400. Its totient is φ = 2759789376.

The previous prime is 8280220427. The next prime is 8280220453. The reversal of 8280220446 is 6440220828.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8280220446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228831 + ... + 262533.

It is an arithmetic number, because the mean of its divisors is an integer number (747596850).

Almost surely, 2^8280220446 is an apocalyptic number.

8280220446 is an abundant number, since it is smaller than the sum of its proper divisors (9662103954).

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

8280220446 is a wasteful number, since it uses less digits than its factorization.

8280220446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47360 (or 47357 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 8280220446 is about 90995.7166354549. The cubic root of 8280220446 is about 2023.0842377198.

The spelling of 8280220446 in words is "eight billion, two hundred eighty million, two hundred twenty thousand, four hundred forty-six".