240522444 has 72 divisors (see below), whose sum is σ = 648888240. Its totient is φ = 74898432.

The previous prime is 240522439. The next prime is 240522449. The reversal of 240522444 is 444225042.

It is an interprime number because it is at equal distance from previous prime (240522439) and next prime (240522449).

It is not an unprimeable number, because it can be changed into a prime (240522449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47524 + ... + 52340.

Almost surely, 2^240522444 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 240522444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324444120).

240522444 is an abundant number, since it is smaller than the sum of its proper divisors (408365796).

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

240522444 is a wasteful number, since it uses less digits than its factorization.

240522444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919 (or 4914 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 240522444 is about 15508.7860259918. The cubic root of 240522444 is about 621.8971063209.

Adding to 240522444 its reverse (444225042), we get a palindrome (684747486).

The spelling of 240522444 in words is "two hundred forty million, five hundred twenty-two thousand, four hundred forty-four".