240420444 has 48 divisors (see below), whose sum is σ = 612917760. Its totient is φ = 72743040.

The previous prime is 240420431. The next prime is 240420451. The reversal of 240420444 is 444024042.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 136272 + ... + 138024.

It is an arithmetic number, because the mean of its divisors is an integer number (12769120).

Almost surely, 2^240420444 is an apocalyptic number.

It is an amenable number.

240420444 is an abundant number, since it is smaller than the sum of its proper divisors (372497316).

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

240420444 is a wasteful number, since it uses less digits than its factorization.

240420444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 240420444 is about 15505.4972187286. The cubic root of 240420444 is about 621.8091831694.

Adding to 240420444 its reverse (444024042), we get a palindrome (684444486).

The spelling of 240420444 in words is "two hundred forty million, four hundred twenty thousand, four hundred forty-four".