4220732560 has 80 divisors (see below), whose sum is σ = 10886892480. Its totient is φ = 1508779520.

The previous prime is 4220732519. The next prime is 4220732563. The reversal of 4220732560 is 652370224.

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

It is not an unprimeable number, because it can be changed into a prime (4220732563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11274 + ... + 92566.

It is an arithmetic number, because the mean of its divisors is an integer number (136086156).

Almost surely, 2^4220732560 is an apocalyptic number.

4220732560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4220732560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5443446240).

4220732560 is an abundant number, since it is smaller than the sum of its proper divisors (6666159920).

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

4220732560 is a wasteful number, since it uses less digits than its factorization.

4220732560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81376 (or 81370 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 4220732560 is about 64967.1652452221. The cubic root of 4220732560 is about 1616.0790917242.

The spelling of 4220732560 in words is "four billion, two hundred twenty million, seven hundred thirty-two thousand, five hundred sixty".