4421731132 has 96 divisors (see below), whose sum is σ = 9675130752. Its totient is φ = 1721696256.

The previous prime is 4421731081. The next prime is 4421731157. The reversal of 4421731132 is 2311371244.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 4421731132.

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, 7938198 + ... + 7938754.

It is an arithmetic number, because the mean of its divisors is an integer number (100782612).

Almost surely, 2^4421731132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4421731132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4837565376).

4421731132 is an abundant number, since it is smaller than the sum of its proper divisors (5253399620).

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

4421731132 is a wasteful number, since it uses less digits than its factorization.

4421731132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 885 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 4421731132 is about 66496.0986224004. The cubic root of 4421731132 is about 1641.3358058794.

The spelling of 4421731132 in words is "four billion, four hundred twenty-one million, seven hundred thirty-one thousand, one hundred thirty-two".