11440042 has 8 divisors (see below), whose sum is σ = 17180100. Its totient is φ = 5713344.

The previous prime is 11440027. The next prime is 11440057. The reversal of 11440042 is 24004411.

It is an interprime number because it is at equal distance from previous prime (11440027) and next prime (11440057).

It can be written as a sum of positive squares in 2 ways, for example, as 10817521 + 622521 = 3289^2 + 789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11439998 and 11440025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817 + ... + 4852.

Almost surely, 2^11440042 is an apocalyptic number.

11440042 is a deficient number, since it is larger than the sum of its proper divisors (5740058).

11440042 is a wasteful number, since it uses less digits than its factorization.

11440042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 11440042 is about 3382.3131138320. The cubic root of 11440042 is about 225.3249100135.

Adding to 11440042 its reverse (24004411), we get a palindrome (35444453).

The spelling of 11440042 in words is "eleven million, four hundred forty thousand, forty-two".