240440440 has 48 divisors (see below), whose sum is σ = 570997080. Its totient is φ = 91108800.

The previous prime is 240440429. The next prime is 240440461. The reversal of 240440440 is 44044042.

240440440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6115 + ... + 22765.

Almost surely, 2^240440440 is an apocalyptic number.

240440440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240440440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285498540).

240440440 is an abundant number, since it is smaller than the sum of its proper divisors (330556640).

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

240440440 is a wasteful number, since it uses less digits than its factorization.

240440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16700 (or 16677 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 240440440 is about 15506.1420088944. The cubic root of 240440440 is about 621.8264215145.

Adding to 240440440 its reverse (44044042), we get a palindrome (284484482).

The spelling of 240440440 in words is "two hundred forty million, four hundred forty thousand, four hundred forty".