240213444 has 12 divisors (see below), whose sum is σ = 560498064. Its totient is φ = 80071144.

The previous prime is 240213433. The next prime is 240213469. The reversal of 240213444 is 444312042.

It is a happy number.

240213444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×240213444² = 115404997356682272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10008882 + ... + 10008905.

It is an arithmetic number, because the mean of its divisors is an integer number (46708172).

Almost surely, 2^240213444 is an apocalyptic number.

It is an amenable number.

240213444 is an abundant number, since it is smaller than the sum of its proper divisors (320284620).

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

240213444 is a wasteful number, since it uses less digits than its factorization.

240213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20017794 (or 20017792 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 240213444 is about 15498.8207293329. The cubic root of 240213444 is about 621.6306744187.

Adding to 240213444 its reverse (444312042), we get a palindrome (684525486).

The spelling of 240213444 in words is "two hundred forty million, two hundred thirteen thousand, four hundred forty-four".