4220447760 has 80 divisors (see below), whose sum is σ = 14537105280. Its totient is φ = 1125452160.

The previous prime is 4220447753. The next prime is 4220447779. The reversal of 4220447760 is 677440224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 974796 + ... + 979115.

It is an arithmetic number, because the mean of its divisors is an integer number (181713816).

Almost surely, 2^4220447760 is an apocalyptic number.

4220447760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4220447760 is an abundant number, since it is smaller than the sum of its proper divisors (10316657520).

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

4220447760 is a wasteful number, since it uses less digits than its factorization.

4220447760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953933 (or 1953921 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 4220447760 is about 64964.9733317886. The cubic root of 4220447760 is about 1616.0427418195.

Adding to 4220447760 its reverse (677440224), we get a palindrome (4897887984).

The spelling of 4220447760 in words is "four billion, two hundred twenty million, four hundred forty-seven thousand, seven hundred sixty".