240401440 has 48 divisors (see below), whose sum is σ = 569576448. Its totient is φ = 95885056.

The previous prime is 240401431. The next prime is 240401443. The reversal of 240401440 is 44104042.

240401440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (240401443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59319 + ... + 63241.

It is an arithmetic number, because the mean of its divisors is an integer number (11866176).

Almost surely, 2^240401440 is an apocalyptic number.

240401440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240401440 is an abundant number, since it is smaller than the sum of its proper divisors (329175008).

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

240401440 is a wasteful number, since it uses less digits than its factorization.

240401440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 240401440 is about 15504.8843917006. The cubic root of 240401440 is about 621.7927991314.

Adding to 240401440 its reverse (44104042), we get a palindrome (284505482).

The spelling of 240401440 in words is "two hundred forty million, four hundred one thousand, four hundred forty".