4500144240 has 80 divisors (see below), whose sum is σ = 14327514528. Its totient is φ = 1167602688.

The previous prime is 4500144227. The next prime is 4500144247. The reversal of 4500144240 is 424410054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4500144240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500144247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244507 + ... + 262266.

Almost surely, 2^4500144240 is an apocalyptic number.

4500144240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4500144240 is an abundant number, since it is smaller than the sum of its proper divisors (9827370288).

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

4500144240 is a wasteful number, since it uses less digits than its factorization.

4500144240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506826 (or 506820 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 4500144240 is about 67083.1144178623. The cubic root of 4500144240 is about 1650.9812638880.

Adding to 4500144240 its reverse (424410054), we get a palindrome (4924554294).

The spelling of 4500144240 in words is "four billion, five hundred million, one hundred forty-four thousand, two hundred forty".