4421640000 has 140 divisors (see below), whose sum is σ = 14619370304. Its totient is φ = 1179072000.

The previous prime is 4421639969. The next prime is 4421640023. The reversal of 4421640000 is 461244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101577 + ... + 138423.

Almost surely, 2^4421640000 is an apocalyptic number.

4421640000 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 4421640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7309685152).

4421640000 is an abundant number, since it is smaller than the sum of its proper divisors (10197730304).

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

4421640000 is an equidigital number, since it uses as much as digits as its factorization.

4421640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36882 (or 36857 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4421640000 is about 66495.4133756607. The cubic root of 4421640000 is about 1641.3245298099.

The spelling of 4421640000 in words is "four billion, four hundred twenty-one million, six hundred forty thousand".