4442621560 has 128 divisors (see below), whose sum is σ = 11442150720. Its totient is φ = 1537892352.

The previous prime is 4442621551. The next prime is 4442621581. The reversal of 4442621560 is 651262444.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2713062 + ... + 2714698.

Almost surely, 2^4442621560 is an apocalyptic number.

4442621560 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 4442621560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5721075360).

4442621560 is an abundant number, since it is smaller than the sum of its proper divisors (6999529160).

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

4442621560 is a wasteful number, since it uses less digits than its factorization.

4442621560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 4442621560 is about 66652.9936311941. The cubic root of 4442621560 is about 1643.9165711674.

The spelling of 4442621560 in words is "four billion, four hundred forty-two million, six hundred twenty-one thousand, five hundred sixty".