4450000032 has 120 divisors (see below), whose sum is σ = 13776285600. Its totient is φ = 1405247616.

The previous prime is 4450000031. The next prime is 4450000043. The reversal of 4450000032 is 2300000544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4450000031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4069 + ... + 94427.

It is an arithmetic number, because the mean of its divisors is an integer number (114802380).

Almost surely, 2^4450000032 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 4450000032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6888142800).

4450000032 is an abundant number, since it is smaller than the sum of its proper divisors (9326285568).

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

4450000032 is a wasteful number, since it uses less digits than its factorization.

4450000032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90400 (or 90383 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4450000032 is about 66708.3205604818. The cubic root of 4450000032 is about 1644.8261604960.

Adding to 4450000032 its reverse (2300000544), we get a palindrome (6750000576).

The spelling of 4450000032 in words is "four billion, four hundred fifty million, thirty-two", and thus it is an aban number.