5423242440 has 512 divisors, whose sum is σ = 21590323200. Its totient is φ = 1056706560.

The previous prime is 5423242421. The next prime is 5423242499. The reversal of 5423242440 is 442423245.

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

It is a junction number, because it is equal to n+sod(n) for n = 5423242398 and 5423242407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9914247 + ... + 9914793.

It is an arithmetic number, because the mean of its divisors is an integer number (42168600).

Almost surely, 2^5423242440 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 5423242440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10795161600).

5423242440 is an abundant number, since it is smaller than the sum of its proper divisors (16167080760).

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

5423242440 is a wasteful number, since it uses less digits than its factorization.

5423242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 5423242440 is about 73642.6672520761. The cubic root of 5423242440 is about 1756.9241256678.

Adding to 5423242440 its reverse (442423245), we get a palindrome (5865665685).

The spelling of 5423242440 in words is "five billion, four hundred twenty-three million, two hundred forty-two thousand, four hundred forty".