24440042 has 32 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 10335600.

The previous prime is 24440041. The next prime is 24440083. The reversal of 24440042 is 24004442.

It is a junction number, because it is equal to n+sod(n) for n = 24439996 and 24440023.

It is not an unprimeable number, because it can be changed into a prime (24440041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24167 + ... + 25157.

It is an arithmetic number, because the mean of its divisors is an integer number (1339200).

Almost surely, 2^24440042 is an apocalyptic number.

24440042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

24440042 is a deficient number, since it is larger than the sum of its proper divisors (18414358).

24440042 is a wasteful number, since it uses less digits than its factorization.

24440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 24440042 is about 4943.6870855668. The cubic root of 24440042 is about 290.2021658104.

Adding to 24440042 its reverse (24004442), we get a palindrome (48444484).

Subtracting from 24440042 its reverse (24004442), we obtain a square (435600 = 660²).

It can be divided in two parts, 244400 and 42, that added together give a palindrome (244442).

The spelling of 24440042 in words is "twenty-four million, four hundred forty thousand, forty-two".