4405243530 has 64 divisors (see below), whose sum is σ = 10954828800. Its totient is φ = 1132546560.

The previous prime is 4405243523. The next prime is 4405243543. The reversal of 4405243530 is 353425044.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 241366 + ... + 258974.

It is an arithmetic number, because the mean of its divisors is an integer number (171169200).

Almost surely, 2^4405243530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4405243530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5477414400).

4405243530 is an abundant number, since it is smaller than the sum of its proper divisors (6549585270).

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

4405243530 is a wasteful number, since it uses less digits than its factorization.

4405243530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17919.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 4405243530 is about 66372.0086331580. The cubic root of 4405243530 is about 1639.2932124447.

Adding to 4405243530 its reverse (353425044), we get a palindrome (4758668574).

The spelling of 4405243530 in words is "four billion, four hundred five million, two hundred forty-three thousand, five hundred thirty".