4421625680 has 40 divisors (see below), whose sum is σ = 10355343912. Its totient is φ = 1755736064.

The previous prime is 4421625667. The next prime is 4421625709. The reversal of 4421625680 is 865261244.

It can be written as a sum of positive squares in 4 ways, for example, as 142372624 + 4279253056 = 11932^2 + 65416^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 190757 + ... + 212676.

Almost surely, 2^4421625680 is an apocalyptic number.

4421625680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4421625680 is an abundant number, since it is smaller than the sum of its proper divisors (5933718232).

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

4421625680 is a wasteful number, since it uses less digits than its factorization.

4421625680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403583 (or 403577 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 4421625680 is about 66495.3056989740. The cubic root of 4421625680 is about 1641.3227579340.

It can be divided in two parts, 44216 and 25680, that added together give a palindrome (69896).

The spelling of 4421625680 in words is "four billion, four hundred twenty-one million, six hundred twenty-five thousand, six hundred eighty".