4411621720 has 128 divisors (see below), whose sum is σ = 11964464640. Its totient is φ = 1444157440.

The previous prime is 4411621681. The next prime is 4411621751. The reversal of 4411621720 is 271261144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159219 + ... + 184861.

It is an arithmetic number, because the mean of its divisors is an integer number (93472380).

Almost surely, 2^4411621720 is an apocalyptic number.

4411621720 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 4411621720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5982232320).

4411621720 is an abundant number, since it is smaller than the sum of its proper divisors (7552842920).

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

4411621720 is a wasteful number, since it uses less digits than its factorization.

4411621720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25705 (or 25701 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 4411621720 is about 66420.0400481662. The cubic root of 4411621720 is about 1640.0839883618.

Adding to 4411621720 its reverse (271261144), we get a palindrome (4682882864).

The spelling of 4411621720 in words is "four billion, four hundred eleven million, six hundred twenty-one thousand, seven hundred twenty".