240404442 has 64 divisors (see below), whose sum is σ = 511377408. Its totient is φ = 75240000.

The previous prime is 240404413. The next prime is 240404447. The reversal of 240404442 is 244404042.

It is not an unprimeable number, because it can be changed into a prime (240404447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1258567 + ... + 1258757.

It is an arithmetic number, because the mean of its divisors is an integer number (7990272).

Almost surely, 2^240404442 is an apocalyptic number.

240404442 is an abundant number, since it is smaller than the sum of its proper divisors (270972966).

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

240404442 is a wasteful number, since it uses less digits than its factorization.

240404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

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

The square root of 240404442 is about 15504.9811996016. The cubic root of 240404442 is about 621.7953873219.

Adding to 240404442 its reverse (244404042), we get a palindrome (484808484).

It can be divided in two parts, 24040 and 4442, that added together give a palindrome (28482).

The spelling of 240404442 in words is "two hundred forty million, four hundred four thousand, four hundred forty-two".